Manufacturers

Production evidence required

Beijing Hainachuan Automotive Parts Co., Ltd.

Beijing Hainachuan Automotive Parts Co., Ltd.

BrandBHAPLocationBeijing, ChinaEstablished2008-01-25Registered capitalCNY2,468,085,034IndustriesNew Energy Vehicle PartsLast reviewed2026-08-22

Company profile

Beijing Hainachuan Automotive Parts Co., Ltd. is a verified Chinese manufacturer in the new-energy vehicle supply chain. Its documented manufacturing scope includes Automotive interior, exterior, electrical, chassis, powertrain and body components.

Products

Interior

Product overview

Combining global engineering expertise with process technology, we provide differentiated solutions for automotive interior components such as instrument panels, center consoles, door panels, headliners and carpets, creating a mobile living space that blends comfort and functionality.

Key specifications

Product scope: interior components including instrument panel, center console, door panel, headliner and carpet; Development mode: differentiated customer-oriented customization solutions; Engineering capability: integration of global engineering expertise and process technology

Applications
  • Passenger vehicle cabin interior supply
  • Complete vehicle interior and exterior trim systems
Product evidence ↗

Seat

Product overview

Innovation-driven automotive seat solutions that are safe, comfortable and environmentally friendly, backed by a complete product line, solid supply capability and extensive seat R&D and design experience.

Key specifications

Product line: complete automotive seat product line; Design orientation: safety, comfort and environmental protection; Capabilities: extensive seat R&D and design experience, solid supply support capability

Applications
  • Complete vehicle seat supply
  • Cabin system assembly
Product evidence ↗

Exterior

Product overview

Exterior products cover bumper modules, fender modules, hoods, trunk lids, door outer panels, tailgates and other body trim parts, promoting vehicle lightweighting through the application of new materials and technologies.

Key specifications

Main products: bumper module, fender module, hood, trunk lid, door outer panel, tailgate and other body trim parts; Technology route: application of new materials and new technologies; Development direction: vehicle lightweighting

Applications
  • Body outer panel supply
  • Lightweight exterior development
Product evidence ↗

Lighting

Product overview

With advanced manufacturing processes, strict quality standards and control procedures, we provide the automotive industry with a variety of innovative lighting solutions and extend toward multi-pixel intelligent matrix lamps.

Key specifications

Manufacturing capability: advanced lamp manufacturing processes; Quality control: strict quality standards and control procedures; Product direction: various innovative lighting solutions

Applications
  • Complete vehicle lighting system supply
Product evidence ↗

Wiring Harness

Product overview

Custom-designed wiring systems and related components for many world-renowned automakers, with tailored, high-quality product development and service solutions.

Key specifications

Product types: high-voltage and low-voltage wiring harnesses and wiring system components; Supply mode: customized design to automaker requirements; Service capability: high-quality product development and service solutions

Applications
  • High and low-voltage electrical connection
  • NEV high-voltage power distribution circuits
Product evidence ↗

Thermal Management System

Product overview

Thermal management solutions for automakers that make systems lighter, more energy-efficient and quieter, delivering a first-class driving experience; the product scope covers air conditioning systems.

Key specifications

Development goals: lighter weight, lower power consumption, lower noise; Product scope: automotive thermal management solutions and air conditioning systems; Customer positioning: supply to automakers

Applications
  • Vehicle thermal management
  • Air conditioning and cabin thermal comfort
Product evidence ↗

Chassis Modular Supply

Product overview

Chassis integration development and supply capability; through the application of new lightweight materials such as high-strength steel and aluminum-magnesium alloys, and aluminum forming and material joining technologies, we meet customers' integrated, modular and lightweight requirements.

Key specifications

Materials: new lightweight materials such as high-strength steel and aluminum-magnesium alloys; Core technologies: aluminum alloy forming technology and material joining technology; Supply form: integrated and modular chassis supply

Applications
  • Integrated chassis module supply
  • Lightweight chassis development
Product evidence ↗

Steering Column

Product overview

Steering column supply services for various vehicle models, with high product quality, on-time delivery and highly automated production efficiency.

Key specifications

Supply scope: steering columns for various vehicle models; Manufacturing mode: highly automated production lines; Supply capability: on-time delivery and stable quality

Applications
  • Passenger vehicle steering system supply
Product evidence ↗

Wheel System

Product overview

Our wheel business provides automakers with stable, high-quality wheel supply through intelligent manufacturing. A highly automated plant supports modern tire technologies and covers every step from forming to shipment, ensuring consistent efficiency and quality across the wheel range.

Key specifications

Wheel sizes: 15-22 inches; Production line: SRK automatic wheel assembly line; Special configuration: run-flat tire mounting support; Production mode: full-process automation from production to delivery

Applications
  • Vehicle wheel and hub supply
Product evidence ↗

Piston

Product overview

Bohai Piston supplies pistons to Cummins, Caterpillar, Volkswagen, FAW, Dongfeng, Weichai and other renowned customers, with markets across North America, Europe, East Asia and the Middle East; in January 2026 it released China's first Euro 7 forged steel piston, setting a new standard for heavy-duty power reliability.

Key specifications

Market position: 60% domestic share in high-end Euro III and Euro IV piston products; Key customers: Cummins, Caterpillar, Volkswagen, FAW, Dongfeng, Weichai; Overseas markets: North America, Europe, East Asia, Middle East; Frontier product: China's first Euro 7 forged steel piston (heavy-duty power)

Applications
  • Heavy-duty diesel power
  • Passenger and commercial vehicle engines
Product evidence ↗

Cylinder Block, Cylinder Head and Aluminum Structural Parts

Product overview

Through the acquisition of Germany's leading aluminum automotive parts company TRIMET Automotive Holding GmbH, lightweight technologies and products have been localized, supporting vehicle lightweighting with innovative structural design and advanced process technology.

Key specifications

Product scope: cylinder blocks, cylinder heads and aluminum structural parts; Technology source: acquisition and localization of Germany's TRIMET Automotive Holding GmbH; Capabilities: innovative structural design and advanced process technology; Technical direction: vehicle lightweighting

Applications
  • Core engine components
  • Lightweight aluminum body structures
Product evidence ↗

Battery Box

Product overview

A product unit listed in the powertrain section of the main products catalog, a box component that provides mounting, load-bearing and protection for the power batteries of new energy vehicles.

Key specifications

Product attribution: listed in the powertrain section of the main products catalog; Function: mounting, load-bearing and protective enclosure for power batteries; Platform background: BHAP powertrain parts supply system

Applications
  • BEV battery pack load-bearing
  • Hybrid vehicle battery protection
Product evidence ↗

Fuel Tank Assembly

Product overview

A product unit listed in the powertrain section of the main products catalog, a fuel tank assembly that provides fuel storage and supply for the vehicle.

Key specifications

Product attribution: listed in the powertrain section of the main products catalog; Function: complete vehicle fuel storage and supply assembly; Platform background: BHAP powertrain parts supply system

Applications
  • Fuel systems of ICE and hybrid vehicles
Product evidence ↗

Intelligent Transfer Case

Product overview

A product unit listed in the powertrain section of the main products catalog, an intelligent transfer device for vehicle power distribution and four-wheel-drive control.

Key specifications

Product attribution: listed in the powertrain section of the main products catalog; Function: power distribution and 4WD transfer control; Platform background: BHAP powertrain parts supply system

Applications
  • Power distribution in four-wheel-drive vehicles
Product evidence ↗

Spiral Bevel Gear

Product overview

A product unit listed in the powertrain section of the main products catalog, a spiral bevel gear for power transmission and direction change in the driveline.

Key specifications

Product attribution: listed in the powertrain section of the main products catalog; Function: driveline power transmission and direction change; Platform background: BHAP powertrain parts supply system

Applications
  • Drive axles and transmission systems
Product evidence ↗

Sunroof

Product overview

The wholly owned INLFA sunroof system group supplies Mercedes-Benz, BMW, Volkswagen, Audi, GM, Ford and other global customers, with innovative technology concepts, leading product development capabilities and a rich product range.

Key specifications

Platform: wholly owned subsidiary INLFA Sunroof Systems Group; Key customers: Mercedes-Benz, BMW, Volkswagen, Audi, GM, Ford; Capabilities: innovative technology concepts, leading product R&D, wide product range

Applications
  • Panoramic sunroof and roof glass supply
  • Global premium brand vehicle supply
Product evidence ↗

High-Strength Steel Body and Aluminum Body Structural Parts

Product overview

Focusing on the industrialization of lightweight technology and optimizing the layout of new products, technologies and processes, maximizing vehicle weight reduction while ensuring safety, contributing to energy saving, emission reduction and driving range improvement.

Key specifications

Product scope: high-strength steel bodies and aluminum body structural parts; Process scope: body welding, hot-formed structural parts, door modules; Development goal: reduce vehicle weight and extend range while ensuring safety

Applications
  • Lightweight body structures
  • NEV driving range improvement
Product evidence ↗

Minimalist Door

Product overview

An innovatively self-developed minimalist exterior door that enhances the driving experience, featuring a frameless, handle-free, B-pillar-free and wiper-free design, integrating smart sensing door locks and flexible storage space.

Key specifications

Appearance: frameless, handle-free, B-pillar-free, wiper-free; Integrated functions: flexible storage space and smart sensing door locks; Sealing: new sealing structure with hidden inner and outer wiper strips; Customization: detachable door outer panel and personalized customization support

Applications
  • Premium passenger car door systems
  • Personalized custom vehicle models
Product evidence ↗

Multi-Material Composite CCB

Product overview

A cross-car beam (CCB) using steel-plastic integrated insert injection molding, where the steel main beam and composite mounting brackets are joined by overmolding, achieving performance improvement while reducing weight.

Key specifications

Main beam: high-strength steel variable-section hat-shaped open bending beam meeting stiffness and strength requirements; Bracket material: PA6+GF60 composite (center console/VCU/left and right end brackets); Lower connecting bracket: DC-series steel sheet stamping; Process: steel-plastic integrated insert injection molding with knurling or groove pretreatment on the beam surface to enhance overmolding adhesion

Applications
  • Instrument panel module cross beam
  • Vehicle lightweighting
Product evidence ↗

Smart Dimming Panoramic Roof Glass

Product overview

A panoramic roof glass with a glass + dimming film + glass composite structure that solves the pain point of traditional panoramic glass failing to block heat, offering shading, dimming, heat insulation, privacy protection and ambient functions.

Key specifications

Structure: glass + dimming film + glass composite; Functions: shading and dimming, heat insulation, privacy protection; Extended functions: ambient background and temperature adjustment; Advantage: solves the non-insulating pain point compared with ordinary laminated roof glass

Applications
  • Panoramic roof
  • Cabin thermal comfort and privacy management
Product evidence ↗

Large Aluminum Die Castings

Product overview

One-piece die-cast aluminum components that replace multiple stamped and welded parts on the body and chassis, simplifying production processes and reducing overall cost.

Key specifications

Lightweighting: 30%-50% weight reduction per part; Integration: multiple parts consolidated into one casting; Precision grade: CT4-CT5; Structural capability: complex thin-wall production and significantly improved local stiffness

Applications
  • One-piece body cast structures
  • One-piece chassis die castings
Product evidence ↗

Dedicated Hybrid Transmission (DHT)

Product overview

A dedicated hybrid transmission (DHT assembly) for PHEV, HEV and REEV drive systems, using a P1/P3 series-parallel architecture and oil-cooled hairpin motors, with platform-based design, compact integrated structure and OTA upgrade support.

Key specifications

Drive peak power: 150kW@350V; Drive peak torque: 4000Nm@350V; Generation peak power: 110kW@350V; Generation rated power: 50kW@350V; Architecture: P1/P3 series-parallel with integrated DCDC and PDU, compatible with 800V high-voltage architecture; Motor: oil-cooled hairpin motor, max speed 16000rpm; Shifting: CSC dual clutch, two-speed engine gearing, no power interruption during shifts; Hydraulic system: mechanical pump + electronic pump with active lubrication and cooling control

Applications
  • PHEV plug-in hybrid
  • HEV hybrid
  • REEV range extender
Product evidence ↗

Electric Power Steering (RP-EPS)

Product overview

An electric power steering gear for vehicles with front axle loads of 900-1600kg, featuring modular design, mature and reliable technology, good steering feel and handling performance, meeting functional safety requirements.

Key specifications

Max rack force: 16000N; Motor rated power: 550-1000W; Max current: 120A@12V; Applicable front axle load: 900-1600kg; Configuration: brushless motor, non-contact torque-angle sensor, integrated control unit design, AUTOSAR-based architecture, OTA upgrade support; Motor layout: flexible spatial arrangement

Applications
  • B/C-segment passenger cars
  • Pickups
  • MPVs
Product evidence ↗

Electric Power Steering (DP-EPS)

Product overview

An electric power steering gear for vehicles with front axle loads of 800-1200kg, featuring modular design and high safety, good steering feel and handling performance, meeting functional safety requirements.

Key specifications

Max rack force: 12000N; Motor rated power: 500-800W; Max current: 100A@12V; Applicable front axle load: 800-1200kg; Configuration: brushless motor, non-contact torque-angle sensor, integrated control unit design, AUTOSAR-based architecture, OTA upgrade support; Motor layout: flexible spatial arrangement

Applications
  • A/B-segment passenger cars
  • MPVs
Product evidence ↗

Rear Axle Assembly

Product overview

A full-aluminum rear axle assembly for light off-road vehicles and 4WD SUVs; the final drive gear features a high power density design with compact size and strong load capacity, with an optional electronic differential lock.

Key specifications

Max input torque: 1450Nm; Final drive ratio: 4.1 (41/10); Noise: <=70dB (1400rpm); Weight: 32kg; Housing: full-aluminum independent suspension structure with one-piece cast arm housing; Options: electronic differential lock; Design: CAE-optimized design with dual-positioning input flange for high centering accuracy

Applications
  • Light off-road vehicles
  • 4WD SUVs
Product evidence ↗

Electronic Differential Lock

Product overview

An electronic differential lock for SUVs and pickups with off-road requirements; through ECU control and dog-tooth electromagnetic locking, both wheels on the drive axle rotate synchronously, achieving 100% drive torque output.

Key specifications

Control: ECU control with human-machine interaction support; Voltage range: 9-16V; Locking structure: dog-tooth electromagnetic lock; Rated torque: 6000Nm; Platform: compact structure, adaptable to different drive axle products

Applications
  • Off-road SUVs
  • Pickups
Product evidence ↗

Motor Controller

Product overview

A motor controller for main and auxiliary drive systems of BEV and hybrid passenger cars, highly integrated, compact and energy-dense, compatible with silicon IGBT and silicon carbide power modules.

Key specifications

Operating voltage: compatible with 400V/800V platforms; Peak power: 200kW-300kW coverage; Power density: up to 32kW/kg; Power module: compatible with silicon IGBT and SiC modules; Functional safety: up to ASIL D; Extended functions: parking/oil pump

Applications
  • BEV main drive
  • Hybrid main/auxiliary drive
Product evidence ↗

Drive Motor

Product overview

A drive motor for BEV, PHEV, HEV and REEV drive systems with high speed, high power, high efficiency and excellent NVH performance; the self-developed rotor has achieved a super-high speed challenge of 55000rpm, marking a new leap in in-house electric drive performance.

Key specifications

Voltage range: 400-900V (expandable); Peak power: 200-300kW (expandable); Peak torque: 200-300Nm (expandable); Windings and cooling: hairpin windings with oil cooling to reduce copper loss; Rotor technology: high-strength rotor, high-speed bearings, stricter assembly process, rotor speed up to 55000rpm; Platform: one stator/rotor lamination design produced on a shared line for 400-900V platforms

Applications
  • BEV propulsion
  • PHEV and range-extender drive
Product evidence ↗

Electric Drive Unit (EDU)

Product overview

A dual-motor distributed electric drive unit for medium and large BEV, PHEV, HEV and REEV vehicles; by independently controlling wheel output torque it achieves precise control on complex road surfaces, enabling pivot turns, tank turns and other complex scenarios; the first AI-EDU M05 electric drive assembly of subsidiary Haihao Power has officially rolled off the line.

Key specifications

Drive form: dual-motor distributed drive with T-shaped layout; Integration: two drive motors, two controllers and two reducers with parallel-shaft reducers, eliminating the traditional differential and sharing the cooling system; Functions: precise wheel-end torque control, vector differential, tank turn, four-wheel steering, drift mode, single-wheel recovery; Personalization: software-defined dynamic adjustment of driving characteristics and modular expandable software functions

Applications
  • Medium and large BEVs
  • Distributed drive/high-performance vehicles
Product evidence ↗

TBOX Product

Product overview

A telematics box based on the AUTOSAR software architecture; through 4G/5G wireless communication it enables remote vehicle control, vehicle status inquiry, security, emergency rescue, OTA upgrades, remote diagnosis and Bluetooth keys, and provides internet connectivity for the vehicle.

Key specifications

Software architecture: AUTOSAR system software; Communication: 4G/5G wireless networks, 100M Ethernet and CANFD in-vehicle communication; Information security: hardware encryption with two-way identity authentication compliant with national cryptography requirements; Upgrades: differential and full secure OTA; Sensors: six-axis sensor supporting abnormal wakeup, anti-theft tracking and driving behavior analysis; Production status: approaching mass production

Applications
  • Vehicle telematics
  • Internet of Vehicles and remote diagnosis
Product evidence ↗

Intelligent Driving Domain Products

Product overview

Intelligent driving domain products covering the hardware platform of ADAS domain controllers, HD cameras and millimeter-wave radars, and the software platforms of operating system, middleware, sensor fusion and planning-control algorithms, fully supporting L2+ driving assistance functions.

Key specifications

Hardware platform: ADAS domain controller, HD camera, millimeter-wave radar; Software platform: operating system, middleware, sensor fusion and planning-control algorithms; Support level: L2+ driving assistance; Development mode: customized hardware platform, in-house sensor fusion algorithms, hardware-software decoupling, high compatibility and reliability; R&D status: development nearing completion

Applications
  • L2+ driving assistance
  • Intelligent driving vehicle supply
Product evidence ↗

Zone Controller Product

Product overview

High-performance standardized control units divided into four vehicle zones (front, rear, left, right), integrating zone resources, intelligent power management and communication management, featuring zone access, SOA architecture, atomic services and hardware-software decoupling, supporting rapid SDV realization.

Key specifications

Zone architecture: four zones (front/rear/left/right) with nearby terminal load access; Chips: high-performance chips such as S32G with heterogeneous multi-core architecture; Network: 1000M/100M automotive Ethernet, CAN/CANFD, LIN; Power management: replaces traditional relays and fuse boxes with electronic fuses; Software: AUTOSAR, SOA atomic services, API atomic services, remote OTA; Hardware interfaces: tailorable to customer needs with configurable software functions; R&D status: development nearing completion

Applications
  • Centralized E/E architecture
  • SDV software-defined vehicles
Product evidence ↗

Digital Headlamp Control System

Product overview

An intelligent headlamp system composed of a camera, vehicle height sensor, smart headlamp controller and multi-pixel LED headlamps, delivering anti-glare high beam, curve assistance, automatic height adjustment, pedestrian reminder and welcome functions; the 24-pixel matrix headlamp system is in mass production and exported, while the 100-pixel system is under development.

Key specifications

Target tracking: up to 8 targets simultaneously; Range: over 500 meters; Response time: under 100ms; Drive channels: up to 9 channels driving all front lamp functions; Pixel capability: up to 102-pixel ADB, compatible with various multi-pixel smart headlamps; Dimming control: PWM current control with 100 gray levels; Communication: high-speed CAN bus, hardwire control compatible, AUTOSAR-based software, domestic MCU compatible hardware; Production status: 24-pixel system in mass production and export, 100-pixel system in development

Applications
  • Adaptive driving beam (ADB)
  • Smart headlamp welcome and pedestrian reminder
Product evidence ↗

Door Controller Product

Product overview

A door controller (DCU) based on the AUTOSAR CP architecture, using an automotive-grade high-performance MCU and new-generation door drive system ICs to realize single-door or single-side door domain control, anti-pinch, mirror control, CANFD/LIN communication, OTA upgrades and diagnostics.

Key specifications

Chip and drive: automotive-grade high-performance MCU and ST new-generation door zone system IC L99DZ2xx (AEC-Q100 certified); Software architecture: AUTOSAR CP; Anti-pinch: dual Hall anti-pinch, safe and reliable; Communication: CAN/CANFD, LIN, AUTOSAR network management; Configuration: flexible single-door or single-side control, switch acquisition, OTA upgrade and diagnostics; Production status: development completed, approaching mass production

Applications
  • Door domain control
  • Window anti-pinch and mirror control
Product evidence ↗

Security Gateway Product

Product overview

A security gateway using a dedicated high-performance gateway MCU and AUTOSAR basic software architecture, realizing CANFD/LIN routing, AUTOSAR network management, OTA upgrades, vehicle diagnostics and logging, information security and functional safety protection; the product is in mass production.

Key specifications

Routing resources: CANFD x8, LIN x2; Upgrade: OTA A/B partition upgrade; Diagnostics: vehicle diagnostics and vehicle logs; Storage: up to 64M external storage; Standby current: <=0.5mA; Information security: hardware-integrated HSM compliant with GB/T 40857; Functional safety: compliant with ISO 26262 ASIL-B; Production status: in mass production

Applications
  • Vehicle gateway routing
  • In-vehicle information security protection
Product evidence ↗

Ethernet Gateway Product

Product overview

An automotive Ethernet gateway using a high-performance MCU and AUTOSAR basic software architecture, realizing Eth/CANFD/LIN routing, AUTOSAR/OSEK network management, OTA upgrades, DoIP vehicle diagnostics, vehicle logging and information security protection.

Key specifications

Routing resources: Ethernet 100BASE-T1 x7, 1000BASE-T1 x2, CANFD x8, LIN x2; Upgrade: OTA A/B partition upgrade with vehicle Ethernet diagnostics and flashing; Diagnostics: DoIP vehicle diagnostics and logs; Information security: external independent security chip, national cryptography level-2 certification, hardware-integrated HSM compliant with GB/T 40857; Functional safety: compliant with ISO 26262 ASIL-B; Production status: approaching mass production

Applications
  • Automotive Ethernet backbone networking
  • DoIP diagnostics and flashing
Product evidence ↗

Production evidence

The cited official or authoritative source confirms manufacturing capability for Automotive interior, exterior, electrical, chassis, powertrain and body components and a direct connection to the new-energy vehicle supply chain.

This profile is based on confirmed public information. It is not an audit, certification or commercial endorsement.

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