REFIRE

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life. They serve diversified hydrogen technology fields including automotive, marine, construction machinery, material handling and distributed power generation. Refire offers a range of standardized fuel cell system products across multiple power classes.

Common series features: outstanding cold-start performance; industry-leading durability; high safety level. Controller base software complies with AUTOSAR. The series covers multiple power classes (60 kW to 220 kW class): Jingxing 22 rated power 220 kW, specific power 815 W/kg, cold-start temperature -30°C, maximum continuous operating temperature 95°C, design life 30,000 h, protection rating IP67; Jingxing 18 rated power 180 kW, specific power 598 W/kg, cold-start temperature -30°C, maximum continuous operating temperature 95°C, design life 30,000 h, protection rating IP67; Jingxing 12+ rated power 120 kW, specific power 517 W/kg, cold-start temperature -30°C, maximum continuous operating temperature 90°C, design life 30,000 h, protection rating IP67; Jingxing 11 rated power 110 kW, specific power 517 W/kg, cold-start temperature -30°C, maximum continuous operating temperature 85°C, design life 30,000 h, protection rating IP67; Jingxing 8 rated power 80 kW, specific power 489 W/kg, cold-start temperature -30°C, maximum continuous operating temperature 85°C, design life 25,000 h, protection rating IP67.

• Automotive (light-, medium- and heavy-duty vehicles)
• Marine vessels
• Construction machinery
• Material handling
• Distributed power generation
• Feasibility extension to non-automotive fields such as power generation equipment and construction equipment (Jingxing 12+)

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life. They serve diversified hydrogen technology fields including automotive, marine, construction machinery, material handling and distributed power generation. Product features: outstanding cold-start performance, industry-leading durability and a high safety level.

Rated power (kW): 220; specific power (W/kg): 815; cold-start temperature (°C): -30; maximum continuous operating temperature (°C): 95; design life (h): 30,000; protection rating: IP67; controller base software complies with AUTOSAR.

• Automotive
• Marine vessels
• Construction machinery
• Material handling
• Distributed power generation

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life. They serve diversified hydrogen technology fields including automotive, marine, construction machinery, material handling and distributed power generation. Product features: outstanding cold-start performance, industry-leading durability and a high safety level.

Rated power (kW): 180; specific power (W/kg): 598; cold-start temperature (°C): -30; maximum continuous operating temperature (°C): 95; design life (h): 30,000; protection rating: IP67; controller base software complies with AUTOSAR.

• Automotive
• Marine vessels
• Construction machinery
• Material handling
• Distributed power generation

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life. They meet the application needs of light-, medium- and heavy-duty vehicles in a wide range of scenarios, and extend the feasibility of non-automotive uses such as power generation equipment and construction equipment. Product features: outstanding cold-start performance, industry-leading durability and a high safety level.

Rated power (kW): 120; specific power (W/kg): 517; cold-start temperature (°C): -30; maximum continuous operating temperature (°C): 90; design life (h): 30,000; protection rating: IP67; controller base software complies with AUTOSAR.

• Light-, medium- and heavy-duty vehicles
• Power generation equipment
• Construction equipment

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life, meeting the application needs of light-, medium- and heavy-duty vehicles in a wide range of scenarios. Product features: outstanding cold-start performance, industry-leading durability and a high safety level.

Rated power (kW): 110; specific power (W/kg): 517; cold-start temperature (°C): -30; maximum continuous operating temperature (°C): 85; design life (h): 30,000; protection rating: IP67; controller base software complies with AUTOSAR.

• Light-, medium- and heavy-duty vehicles

The PRISMA (Jingxing) series fuel cell systems are fully designed, developed and manufactured in-house by Refire. Through multi-dimensional optimization and iteration in system and component design, system control and system integration, they achieve significant improvements in rated power, power density and service life, meeting the application needs of light-, medium- and heavy-duty vehicles in a wide range of scenarios. Product features: outstanding cold-start performance, industry-leading durability and a high safety level.

Rated power (kW): 80; specific power (W/kg): 489; cold-start temperature (°C): -30; maximum continuous operating temperature (°C): 85; design life (h): 25,000; protection rating: IP67; controller base software complies with AUTOSAR.

• Light-, medium- and heavy-duty vehicles

Unilia (the stack business unit of the REFIRE Group, Shanghai Yunliang New Energy) has developed multiple generations of fuel cell stacks powering mobility and stationary applications; its portfolio covers the full value chain from electrodes, catalyst-coated membranes and membrane electrode assemblies to complete fuel cell stacks and fully integrated systems, allowing customers to engage with us at any level. Unilia offers adaptable solutions that balance efficiency, durability and cost, and its products have all been validated in demanding real-world environments. Our off-the-shelf components, stacks and systems are designed for flexibility to meet most needs; where additional customization is required, engagements can be upgraded to engineering collaborations to deliver better-fitting solutions.

Stack product lines and scalable power: Polaris (scalable to 96 kW), Electra (scalable to 130 kW), Sirius (scalable to 180 kW). Per the group's own statement, its automotive stacks cover 60 kW to 360 kW, supporting light- to heavy-duty zero-emission commercial vehicles; the stacks are used to integrate PRISMA fuel cell systems (PRISMA VIII 80 kW / PRISMA XII 130 kW / PRISMA XVII 180 kW / PRISMA XXII 220 kW). Manufacturing and quality assurance system: ISO 9001:2015 quality management system (certified April 2022), IATF 16949:2016 automotive quality management system (certified March 2022), TÜV Rheinland fuel cell stack performance verification (June 2021), and Transport Canada National Safety Mark (NSM) authorization (December 2024).

• Mobility (medium-/heavy-duty and light commercial zero-emission vehicles, covering 60 kW to 360 kW)
• Stationary (stationary power generation, backup power, off-grid EV charging)

Refire has achieved in-house development and mass-production capability for key components spanning fuel cell systems, stacks, membrane electrode assemblies, bipolar plates, hydrogen recirculation systems and boost converters, and is the first hydrogen technology company in the industry to fully achieve in-house R&D and mass production of fuel cell systems, stacks, membrane electrode assemblies and bipolar plates. Unilia's portfolio covers the full value chain from electrodes, catalyst-coated membranes and membrane electrode assemblies to complete fuel cell stacks and fully integrated systems, giving customers the flexibility to collaborate at any level.

The official website does not disclose numerical technical parameters for individual components; the structural description on the website is: the portfolio covers the full value chain from electrodes, catalyst-coated membranes and membrane electrode assemblies to complete fuel cell stacks and fully integrated systems; the group has in-house R&D and mass-production capabilities for fuel cell systems, stacks, membrane electrode assemblies and bipolar plates, plus independent development and scale production of key components such as hydrogen recirculation systems and boost converters; the quality assurance system comprises ISO 9001:2015, IATF 16949:2016 and TÜV Rheinland stack performance verification.

• Supporting automotive fuel cell systems and stacks (commercial vehicles and other road transport scenarios)

Official product entry under the ELECTROLYSER (upstream/hydrogen production) category of the product center, with the English product name PEM ELECTROLYZER and the Chinese official name 'PEM water electrolysis hydrogen production system' (see the company profile text). Official wording: 'Modular megawatt PEM electrolyser systems for light/medium-duty applications.' The website further explains that intermittent renewables such as wind power, combined with grid flexibility requirements, make agile hydrogen production essential; REFIRE PEM electrolyzers support reliable, durable rapid power switching, at modular scales from 0.5 MW. Company profile text: in the hydrogen production equipment field, Refire draws on core underlying capabilities in electrochemical materials and system control accumulated over many years in fuel cells, has deployed both proton exchange membrane (PEM) and alkaline (ALK) water electrolysis routes, achieved in-house capability for PEM and ALK hydrogen production equipment and core components, and has launched a series of hydrogen production equipment including PEM water electrolysis hydrogen production systems, megawatt-scale PEM water electrolyzers, PEM hydrogen production membrane electrodes, advanced ALK electrolyzer electrodes and hydrogen production power supplies, with industry-leading key indicators.

Technical parameters published on the official website: hydrogen production 100-250 Nm³/h; hydrogen production efficiency 78%; current density 1.5 A/cm²; load fluctuation adaptability 5%-130%; hydrogen outlet pressure 0-4 MPa; cold-start time 5 min; hot-start time 5 s. Product features (official wording): rapid start-stop, high production efficiency, and a matching hydrogen production power supply unit available. The system features a modular megawatt design, with modular scale starting from 0.5 MW.

• Hydrogen production coupled with intermittent renewables such as wind power
• Agile hydrogen production under grid flexibility requirements
• Green hydrogen production
• Industrial hydrogen supply

One of the hydrogen production equipment products listed in the company profile on the Chinese official website: in the hydrogen production equipment field, Refire, drawing on core underlying capabilities in electrochemical materials and system control accumulated over many years in the fuel cell field, has deployed both proton exchange membrane (PEM) and alkaline (ALK) water electrolysis routes, achieved in-house capability for PEM and ALK hydrogen production equipment and core components, and launched a series of hydrogen production equipment including PEM water electrolysis hydrogen production systems, megawatt-scale PEM water electrolyzers, PEM hydrogen production membrane electrodes, advanced ALK electrolyzer electrodes and hydrogen production power supplies, with industry-leading key indicators. It corresponds to the PEM product entry under the ELECTROLYSER category of the English product center, where the official English description refers to its modular megawatt form as 'modular megawatt PEM electrolyser systems' with 'reliable and durable rapid power switching at modular scales from 0.5MW upwards'.

The official website does not disclose separate numerical parameters for the megawatt-scale PEM water electrolyzer; the officially disclosed scale indicators are a modular megawatt design with individual modules starting from 0.5 MW and support for rapid power switching. The parameters published on the official website for the same product line (PEM ELECTROLYZER) are: hydrogen production 100-250 Nm³/h, hydrogen production efficiency 78%, current density 1.5 A/cm², load fluctuation adaptability 5%-130%, hydrogen outlet pressure 0-4 MPa, cold-start time 5 min and hot-start time 5 s.

• Green hydrogen production
• Hydrogen production coupled with renewables such as wind and solar
• Grid peak shaving and flexible hydrogen production
• Industrial-scale hydrogen use

One of the hydrogen production equipment products listed in the company profile on the Chinese official website: the company has launched PEM water electrolysis hydrogen production systems, megawatt-scale PEM water electrolyzers, PEM hydrogen production membrane electrodes, advanced ALK electrolyzer electrodes and hydrogen production power supplies, with industry-leading key indicators; it is based on core underlying capabilities in electrochemical materials and system control accumulated over many years in the fuel cell field, and in-house capability for PEM and ALK hydrogen production equipment and core components has been achieved.

The official website does not disclose numerical technical parameters for the PEM hydrogen production membrane electrode; the structural description on the website is: it is a core component of PEM water electrolysis hydrogen production equipment, developed in-house on the basis of the company's core electrochemical materials capabilities accumulated in the fuel cell field, belongs to the same series of hydrogen production equipment as the PEM water electrolysis hydrogen production system and the megawatt-scale PEM water electrolyzer, and delivers industry-leading key indicators.

• Core component for PEM water electrolysis hydrogen production systems/electrolyzers
• Supply-chain link in green hydrogen production equipment

Official product entry under the Electrode (upstream/hydrogen production) category of the product center, with the Chinese official name 'advanced ALK electrolyzer electrodes' (see the company profile text). Official wording: REFIRE builds customised water electrolysis ecosystems that are able to cater to fluctuating grid supply, as well as both stable and intermittent renewable electricity supply; alkaline (ALK) electrolyser technology is suited to constant supply of electricity and hydrogen output. Application field: the product is mainly used for alkaline water electrolysis hydrogen production and is one of the core materials. Production process flow: Nickel Wire Mesh - SPE - MPE - AWE - PKE.

ALK Electrode I performance indicators (official wording): current density 6000 A/m² @1.8V @80°C; energy consumption 4.2 kWh/Nm³; porosity 50%; service life 15-30 years. ALK Electrode II performance indicators (official wording): current density 9000 A/m² @1.8V @80°C; energy consumption 4.0 kWh/Nm³; porosity 55%; service life 20-35 years. The production process flow of both models is: Nickel Wire Mesh - SPE - MPE - AWE - PKE.

• Core material for alkaline (ALK) water electrolysis hydrogen production
• Customised water electrolysis ecosystems adapted to stable and intermittent renewable power supply
• Green hydrogen production

One of the hydrogen production equipment products listed in the company profile on the Chinese official website: Refire has launched PEM water electrolysis hydrogen production systems, megawatt-scale PEM water electrolyzers, PEM hydrogen production membrane electrodes, advanced ALK electrolyzer electrodes and hydrogen production power supplies, with industry-leading key indicators. The product features of the PEM ELECTROLYZER entry in the English product center also list 'Power supply unit available'.

The official website does not disclose numerical technical parameters for the hydrogen production power supply; the structural description on the website is: it belongs to the company's in-house hydrogen production equipment product series, is matched with the PEM water electrolysis hydrogen production system (the PEM electrolyzer product features are marked 'Power supply unit available'), and is used to power water electrolysis hydrogen production systems.

• Power supply for PEM water electrolysis hydrogen production systems/electrolyzers
• Hydrogen production power supply under intermittent renewable sources such as wind power

Basis in the official website texts: the PRISMA XII+ entry is described as 'Heavy-duty FCS (Fuel Cell System) with improved torque, bringing higher top speeds and drive performance to freeway long-haul freight and intercity mass transit. Targeting heavy duty commercial mobility, marine, and stationary power products, this system has been deployed in over 1,000 vehicles and other end-use applications since its launch in 2021.'; the POLARIS stack entry states 'Ideal applications are commercial and specialised vehicles, ocean-going or freshwater vessels, and mobile power units.'; the ELECTRA stack entry states 'Ideal applications are vehicles, vessels, and power units with heavier load and torque requirements, and harsh working conditions.'; the Chinese product description also states that the Prisma (Jingxing) series fuel cell systems serve diversified hydrogen technology fields including automotive, marine, construction machinery, material handling and distributed power generation. This family is a marine (vessel) propulsion application product family compiled from the above official texts; the website does not list a separate marine product SKU or dedicated model.

The official website does not publish marine-specific system parameters; the parameters published for the same fuel cell platform apply: PRISMA XII+ rated power 117 kW, system mass 278 kg, dimensions 892 x 767 x 826 mm, system voltage 450-750 V, EMC ECE R10, system life 25,000 h, peak efficiency 58%, rated efficiency 42%, operating temperature -30 to 45°C, protection rating IP67, start temperature ≥-30°C; the matching ELECTRA stack is scalable to 130 kW (at 2.5 bara oxidant, 0.6V/cell), freeze start -30°C, power density 4.4 kW/L; the POLARIS stack is scalable to 96 kW, freeze start -30°C, power density 3.8 kW/L.

• Ocean-going or inland waterway vessel propulsion
• Marine auxiliary power generation / shipboard electrical systems
• Zero-emission propulsion for heavy commercial shipping

Official product entry under the Power (stationary power generation) category of the product center. Official wording: 'Adopted as an alternative to small and medium-sized diesel generators, suitable for outdoor work.' This entry belongs, together with the 'Distributed On-grid Power Station', to the stationary hydrogen-power product section of the website.

Product features published on the official website: 100 kW-2 MW scalable modular design; self-sustained rapid start; on-grid and off-grid switching available; integrated thermal management and AC inverter output design.

• Alternative to small and medium-sized diesel generators
• Power supply for outdoor work
• Off-grid / emergency and backup power
• Power supply for buildings and critical infrastructure

Official product entry under the Power (stationary power generation) category of the product center. Official wording: 'Adopted for at-scale by-product hydrogen production and power generation from green hydrogen.'

Product features published on the official website: 1 MW-3 MW scalable modular design; deployable to form MW-level hydrogen power plants; park/factory cogeneration available.

• Power generation from by-product hydrogen at scale
• Green hydrogen power generation
• MW-level hydrogen power plants
• Park and factory cogeneration

Official business entry 02 PEM Superchargers under the H2E - POWER SYSTEMS section of the Markets page. Official wording: 'Off-grid and on-grid support for electric vehicle charging is becoming an increasing necessity. The battle for space and time to charge up is rapidly increasing. REFIRE designs, builds, and deploys PEM fuel cell-powered off-grid supercharger products to give peace of mind for the road ahead. Our all-in-one charging solutions convert hydrogen into electricity at industry leading speeds, providing upgrades to gas station forecourts, parking lots, and remote locations.' The Chinese website also lists off-grid supercharging among the application fields of the company's products and technologies.

The official website does not disclose numerical technical parameters; the structural description is: off-grid supercharger products powered by PEM fuel cells, supporting both off-grid and on-grid EV charging modes; an all-in-one charging solution that converts hydrogen into electricity at industry-leading speed; capable of upgrading existing locations such as gas station forecourts, parking lots and remote areas.

• Off-grid / on-grid EV charging
• Charging infrastructure upgrades at gas station forecourts and parking lots
• Recharging in remote areas
• Hydrogen supercharging stations

Official business entry 01 PEM Microgrids under the H2E - POWER SYSTEMS section of the Markets page. Official wording: 'Energy security means guaranteed power delivery when grids fail or where grids cannot reach. REFIRE designs and builds modular Megawatt scale microgrids to deliver power exactly where and when it is needed. Our Proton Exchange Membrane (PEM) fuel cell technology allows us to serve customers who require instant on/off and variable power to buildings, critical infrastructure, and industry with zero emissions.'

The official website does not disclose numerical technical parameters; the structural description is: modular Megawatt-scale microgrid design and construction; based on proton exchange membrane (PEM) fuel cell technology with instant on/off and variable power output capability; a zero-emission power supply solution.

• Energy assurance where grids fail or cannot reach
• Building power supply
• Critical infrastructure power supply
• Zero-emission industrial power supply

Official product entry under the Prisma (downstream) fuel cell system category of the product center, part of the Prisma Fuel Cell System Series. Official wording: 'This workhorse of the PRISMA fuel cell system series has been deployed in thousands of vehicles as well as stationary power products.' General Information: 'Light to medium-duty FCS (Fuel Cell System) that brings zero emissions to city logistics, mass transit, and urban services fleets. PRISMA VI+ is quietly powering every vehicle class from buses to street cleaners, and logistics vehicles to intercity trucks which are in daily operation across all environmental conditions, proving its reliability and durability in a wide range of real world situations. 61kW Fuel Cell System, Light/Medium-Duty Applications.' Series description: 'REFIRE produces the PRISMA line of fuel cell systems with benchmark models that are offered in multiple configurations. Each base system has extraordinary design flexibility to cater to very specific end use cases. Launched in 2020, PRISMA is an industry-leading series of integrated fuel cell systems capable of powering everything from compact commercial vehicles up to long haul trucks.'

Technical parameters published on the official website: rated power (kW): 61; system mass (kg): 230; dimensions (mm): 995 x 818 x 593; system voltage (V): 450-700; EMC: ECE R10; system life (h): 15,000; peak efficiency (%): 53; rated efficiency (%): 39.2; operating temperature (°C): -30 to 45; coolant inlet temperature (°C): 50 to 65; coolant outlet temperature (°C): 55 to 80; IP rating: IP67; start temperature (°C): ≥-30. Product features (official wording): outstanding freeze start capability, industry-leading durability, controller base software compliant with AUTOSAR, and IP67 protection rating.

• Light- to medium-duty applications
• City logistics
• Mass transit / buses
• Urban services fleets (street cleaners)
• Intercity trucks
• Stationary power products

Standalone official product entry under the stacks (downstream) category of the product center, product name POLARIS, titled Polaris Stack System, designed and developed by UNILIA, the group's stack business unit. Official wording: 'POLARIS is a versatile stack designed and engineered for deployment in fuel cell systems for everything from minibuses to heavy duty trucks. Ideal applications are commercial and specialised vehicles, ocean-going or freshwater vessels, and mobile power units.' Brief: 'Tailored to yield optimal performance for operational conditions, power requirements, reliability factors, and more.'

Technical parameters published on the official website (all at 2.5 bara oxidant, 0.6V/cell): stack power scalable to 96 kW; freeze start temperature -30°C; power density 3.8 kW/L; PGM (platinum group metal) catalyst utilization 2.1 kW/g.

• Fuel cell systems from minibuses to heavy-duty trucks
• Commercial and specialised vehicles
• Ocean-going or freshwater vessels
• Mobile power units

Standalone official product entry under the stacks (downstream) category of the product center, product name ELECTRA, titled Electra Stack System. Official wording: 'ELECTRA stacks have been developed by UNILIA from the ground up with in-house MEA. They are suited for use in the most demanding heavy-duty fuel cell systems. Ideal applications are vehicles, vessels, and power units with heavier load and torque requirements, and harsh working conditions.' Brief: 'An extremely customisable stack that has been deployed in over 1000 end-use applications.'

Technical parameters published on the official website (all at 2.5 bara oxidant, 0.6V/cell): stack power scalable to 130 kW; freeze start temperature -30°C; power density 4.4 kW/L; PGM catalyst utilization 3.9 kW/g. Uses an in-house MEA (membrane electrode assembly).

• Vehicles with heavier load and torque requirements
• Vessels
• Power units
• Harsh working condition applications

Standalone official product entry under the stacks (downstream) category of the product center, product name SIRIUS, titled Sirius Stack System. Official wording: 'SIRIUS is a brand new stack incorporating in-house MEA for enhanced value. The stack enables high power to be delivered in a single integrated housing and system, for mobility use cases or stationary power. It is optimisable for a broad range of product integrations and operating environments.' Brief: 'High power in a compact form factor for the most demanding heavy-duty applications.'

Technical parameters published on the official website: stack power (kW): scalable to 180; freeze start temperature (°C): -30; single-stack peak power (kW): 180; maximum operating coolant outlet temperature (°C): 95; design stack life (h): ≥30,000 (depending on operating conditions and use scenarios); maximum shock acceleration (G): 25; bipolar plate material: composite graphite; membrane electrode assembly: integrated single-cell sealed six-in-one structure.

• The most demanding heavy-duty mobility use cases
• Stationary power generation
• A broad range of product integrations and operating environments

On the Chinese website's Products & Services page, the Engineering Services section is presented as an official business entry following the fuel cell system products. Official wording: to meet customers' powertrain needs in different application scenarios, the company provides professional fuel cell engineering application development services, mainly including customized fuel cell system development, engineering application integration schemes for system prototypes, and full trial production and commissioning for batch prototype manufacturing, along with engineering application services and technical support for market applications. To date, Refire's business covers many provinces and cities in China as well as overseas markets including the United States, Germany, Switzerland, Japan and Italy; its products and technologies have been applied in diversified hydrogen technology fields such as road transport, construction engineering, power generation and green hydrogen production.

The official website does not disclose numerical parameters; the structural description is three service items: customized fuel cell system development; engineering application integration schemes for system prototypes; and full trial production and commissioning for batch prototype manufacturing, with technical support for market applications.

• Customers' powertrain needs in different application scenarios
• Engineering integration of prototypes
• Trial production and commissioning of batch prototype manufacturing

On the Chinese website's Products & Services page, a Diagnostic & Preventive Maintenance entry is set up under the after-sales service section. Official wording: the remote diagnostics module carried on Refire fuel cell systems analyzes powertrain operating status in real time through a big-data platform and enables remote fault diagnosis and issue handling for vehicle powertrains. The same section states the supporting system: Refire formally established a professional fuel cell vehicle after-sales service center in 2017; it operates large-scale manufacturing bases in Shanghai, Changshu and Jiaxing, and has established fuel cell vehicle after-sales service centers in Foshan, Shanghai, Zhengzhou and other locations, providing customers with high-quality after-sales service for fuel cell powertrains supported by an advanced data platform and on-site support from local service centers.

The official website does not disclose numerical parameters; the structural description is: fuel cell systems carry a remote diagnostics module that analyzes powertrain operating status in real time via a big-data platform, supporting remote fault diagnosis and issue handling for diagnostics and preventive maintenance.

• Remote fault diagnosis of fuel cell vehicle powertrains
• Diagnostics and preventive maintenance
• Fleet operation and after-sales technical support