Bethel Automotive Safety Systems Co., Ltd.

Bethel's first-generation integrated brake-by-wire system (WCBS) adopts an electro-hydraulic decoupled One-Box architecture that integrates electronic boosting with ABS/ESC stability control into a single assembly. It is the first mass-production platform of the company's brake-by-wire product family and has already been applied in volume on complete vehicles with continuous iteration.

Product platform: WCBS 1.x; Iterative model: WCBS1.6 (the official business report discloses smooth development and imminent volume delivery); Architecture: integrated electro-hydraulic brake-by-wire (One-Box); Pedal type: decoupled brake-by-wire pedal; Control functions: ABS/ESC/TCS and coordinated energy recuperation; Production status: in mass production

• Braking and stability control for passenger vehicles
• Coordinated brake energy recuperation for new energy vehicles
• Longitudinal control execution layer for intelligent driving

Bethel's second-generation brake-by-wire system (WCBS) platform upgrades control performance and system redundancy over WCBS 1.x. WCBS2.1 is about to enter volume delivery, while the fully domestically produced WCBS2.2 will debut on mass-production models of two automakers, demonstrating the platform-based and localized capability of the product.

Product platform: WCBS 2.x; Iterative models: WCBS 2.1 (imminent volume delivery), WCBS 2.2 (fully domestically produced version, confirmed for mass-production models of two automakers); Architecture: integrated electro-hydraulic brake-by-wire; Redundancy design: supports backup EPB and other redundancy schemes; Function matrix: Intelligent Motion Control IMC, Super AVH, All-Terrain System ATS, low-speed off-road cruise CCO, tire-blowout stable driving, tank turn, Anti-Slip Parking ASP, Comfort Steering Control CSC, coordinated crawl control BCC, full-speed-range CST

• Brake-by-wire systems for new energy passenger vehicles
• Longitudinal execution for L2+ and higher intelligent driving
• Active safety scenarios such as high-speed tire-blowout stable driving

A WCBS 2.0 platform version listed separately in the brake-by-wire system (WCBS) product sections of both the Chinese and the English official website. It appears alongside WCBS 1.x and WCBS 2.x, forming the version matrix of the WCBS product platform.

Model: WCBS 2.0 H; Parent platform: WCBS 2.0; Official listing level: standalone product entry in the brake-by-wire system section of the official website product center; Product category: integrated brake-by-wire system

• Brake-by-wire system supply for passenger vehicles
• By-wire execution for intelligent chassis
• Braking systems for new energy vehicles

The WCBS 2.0 B version listed separately in the brake-by-wire system (WCBS) product section of the English official website. It is displayed alongside WCBS 2.0 H and WCBS 1.x and constitutes a version branch of the WCBS product platform.

Model: WCBS 2.0 B; Parent platform: WCBS 2.0; Official listing level: standalone product entry in the WCBS section of the English official website product center; Product category: integrated brake-by-wire system

• Brake-by-wire system supply for passenger vehicles
• By-wire execution for intelligent chassis
• Braking systems for new energy vehicles

Bethel's front-wheel electronic mechanical brake (EMB) actuator. EMB replaces conventional hydraulic brake lines with a fully electronically controlled architecture and performs braking control through electrical signals, enabling independent four-wheel control and coordination with the vehicle energy recuperation system. Bethel is the world's first company to mass-produce fully dry EMB, with its first EMB project entering mass production on March 10, 2026.

Product category: fully dry electronic mechanical brake (EMB) actuator; Response time: TTL ≤ 100 ms; Control method: fully electronically controlled architecture, braking controlled by electrical signals, independent four-wheel control supported; Safety certification: highest safety level ASIL-D certified by TÜV NORD (the world's first EMB ASIL-D certificate); Core technologies: fully self-developed actuator + controller + core algorithms across the entire chain, high-precision clamping force estimation algorithm, Reverse-Guide-Pin design, zero-drag control; Technical route: elimination of conventional brake fluid lines, fully electronically controlled architecture; Production status: in mass production (first project mass-produced on March 10, 2026; cumulative deliveries of 50,000 units by the end of June 2026)

• Complete-vehicle braking actuation for new energy passenger vehicles
• Hybrid SUV, battery-electric SUV and battery-electric sedan platforms
• Braking execution layer for advanced intelligent driving

Bethel's rear-wheel electronic mechanical brake (EMB) actuator, which together with the front-wheel EMB forms a four-wheel independently controlled electric braking system. The product adopts a modular, platform-based and standardized design and can be adapted to customer vehicle mounting interfaces, dimensional parameters and software calibration requirements.

Product category: fully dry electronic mechanical brake (EMB) actuator; Response time: TTL ≤ 100 ms; Control method: fully electronically controlled architecture, braking controlled by electrical signals, independent four-wheel control supported; Safety certification: highest safety level ASIL-D certified by TÜV NORD (the world's first EMB ASIL-D certificate); Core technologies: fully self-developed actuator + controller + core algorithms across the entire chain, high-precision clamping force estimation algorithm, Reverse-Guide-Pin design, zero-drag control; Technical route: elimination of conventional brake fluid lines, fully electronically controlled architecture; Production status: in mass production (first project mass-produced on March 10, 2026; cumulative deliveries of 50,000 units by the end of June 2026)

• Complete-vehicle braking actuation for new energy passenger vehicles
• Four-wheel independent braking and redundant braking schemes
• Braking execution layer for advanced intelligent driving

Single-cylinder electronic parking brake (EPB) caliper with bore diameters covering 34-60 mm, the mainstay specification of Bethel's EPB product system. Bethel mass-produced its first EPB project in 2012, becoming the world's second company and the first Chinese brand to mass-produce this product; by September 2026 cumulative EPB caliper production exceeded 40 million units.

Structure: single-cylinder floating electronic parking brake caliper; Bore range: 34-60 mm; Cumulative production: over 40 million EPB calipers (September 2026, the first among Chinese component suppliers); Annual capacity: nearly 14 million EPB calipers per year across global production bases; Product forms: standalone EPB, integrated EPBi, dual-control EPB, front EPB, WCBS backup EPB; Inspection capability: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: laser-engraved unique code enabling traceability of process data

• Electronic parking braking for passenger vehicles
• Parking and automatic vehicle hold (AVH) for new energy vehicles
• Redundant parking backup for intelligent driving

Double-cylinder electronic parking brake (EPB) caliper with a 43 mm bore, aimed at vehicle platforms requiring higher braking force and better brake pedal feel. Addressing the packaging, braking performance and reliability requirements of different vehicle platforms, Bethel continuously optimizes mechanical design, actuators, control strategies and system integration, forming an EPB product system that covers diverse application needs.

Structure: double-cylinder electronic parking brake caliper; Bore: 43 mm; Cumulative production: over 40 million EPB calipers (September 2026, the first among Chinese component suppliers); Annual capacity: nearly 14 million EPB calipers per year across global production bases; Product forms: standalone EPB, integrated EPBi, dual-control EPB, front EPB, WCBS backup EPB; Inspection capability: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: laser-engraved unique code enabling traceability of process data

• Electronic parking braking for mid-size and large passenger vehicles
• Parking and automatic vehicle hold (AVH) for new energy vehicles
• Redundant parking backup for intelligent driving

Bethel's single-cylinder floating brake caliper with bore diameters covering 32-63.5 mm. It is the highest-volume base specification in the company's brake caliper line and is widely supplied for the front and rear braking systems of passenger vehicles from major domestic and international automakers.

Structure: single-cylinder floating brake caliper; Bore range: 32-63.5 mm; Capacity: nearly 9 million base calipers per year across global production bases; Assembly line: dual loop-line design with an automation rate above 90%; Inspection: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: every part carries a laser-engraved unique code enabling precise traceability of key process data such as bolt torque and rotation angle

• Hydraulic disc braking for front and rear wheels of passenger vehicles
• Braking systems for new energy passenger vehicles
• Original equipment supply to vehicle manufacturers

Bethel's double-cylinder floating brake caliper with bore diameters covering 43-60 mm, suitable for vehicle platforms with a higher curb weight or greater braking performance requirements.

Structure: double-cylinder floating brake caliper; Bore range: 43-60 mm; Capacity: nearly 9 million base calipers per year across global production bases; Assembly line: dual loop-line design with an automation rate above 90%; Inspection: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: every part carries a laser-engraved unique code enabling precise traceability of key process data such as bolt torque and rotation angle

• Hydraulic disc braking for mid-size and large passenger vehicles
• Braking systems for SUVs and new energy vehicles
• Original equipment supply to vehicle manufacturers

Bethel's cast aluminum brake caliper, which achieves caliper body lightweighting through aluminum alloy casting. It works in synergy with the company's lightweight cast aluminum business line to meet vehicle weight reduction and energy consumption optimization needs.

Structure: cast aluminum alloy caliper body; Product category: lightweight brake caliper; Capacity: nearly 9 million base calipers per year across global production bases; Assembly line: dual loop-line design with an automation rate above 90%; Inspection: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: every part carries a laser-engraved unique code enabling precise traceability of key process data such as bolt torque and rotation angle

• Lightweight braking systems for new energy passenger vehicles
• Hydraulic front and rear wheel braking for passenger vehicles
• Vehicle weight reduction and energy optimization solutions

Bethel's opposed-piston fixed brake caliper, with piston configurations covering combinations such as 4*41 mm, 4*45 mm, 6*32 mm, 6*36 mm and 6*41 mm, intended for high-performance vehicles and models with high braking demands.

Structure: opposed-piston fixed brake caliper; Piston configurations: 4*41 mm, 4*45 mm, 6*32 mm, 6*36 mm, 6*41 mm; Capacity: nearly 9 million base calipers per year across global production bases; Assembly line: dual loop-line design with an automation rate above 90%; Inspection: 100% inline automated inspection of low-pressure sealing, high-pressure sealing, vacuum sealing, clamping force and assembly sliding resistance; Traceability: every part carries a laser-engraved unique code enabling precise traceability of key process data such as bolt torque and rotation angle

• Braking systems for high-performance passenger vehicles
• Braking for mid-size and large new energy vehicles
• Original equipment supply to vehicle manufacturers

Bethel's front-wheel disc brake assembly is supplied as an integrated assembly comprising the brake caliper and related brake components. It is a basic assembly product of the company's mechanical braking product line.

Product category: front-wheel disc brake assembly; Supply form: assembly supply; Related sales volume: 3.7275 million disc brakes sold in the first half of 2026; Matching calipers: single-cylinder, double-cylinder, cast aluminum and fixed brake calipers

• Front-wheel braking systems for passenger vehicles
• Original equipment supply for new energy passenger vehicles
• Brake module assembly supply to vehicle manufacturers

Bethel's rear-wheel disc brake assembly can be matched with EPB electronic parking brake calipers to form an integrated rear-wheel braking and parking solution.

Product category: rear-wheel disc brake assembly; Supply form: assembly supply; Integrable function: electronic parking brake (EPB); Related sales volume: 3.7275 million disc brakes sold in the first half of 2026

• Rear-wheel braking systems for passenger vehicles
• Integrated rear-wheel parking brake solutions
• Brake module assembly supply to vehicle manufacturers

Bethel's in-disk drum brake is listed separately in the Brake Module section of the English official website. It is used in combined rear-wheel parking brake and service brake layouts.

Product category: in-disk drum brake; Structural feature: drum brake mechanism housed inside the brake disc cavity; Official listing level: standalone product entry in the Brake Module section of the English official website

• Rear-wheel parking braking for passenger vehicles
• Combined rear-wheel service and parking brake solutions
• Brake module assembly supply to vehicle manufacturers

Bethel's drum brake assembly is listed separately in the Brake Module section of the English official website. Together with disc brake assemblies, it forms the company's mechanical brake assembly product portfolio.

Product category: drum brake assembly; Official listing level: standalone product entry in the Brake Module section of the English official website; Supply form: assembly supply

• Rear-wheel braking systems for passenger vehicles
• Braking system supply for economy vehicle models
• Brake module assembly supply to vehicle manufacturers

Bethel's cast aluminum hollow control arm uses hollow aluminum alloy casting to lightweight chassis suspension components. It is one of the main structural parts of the company's cast aluminum lightweight product line.

Structure: hollow aluminum alloy control arm; Material and process: aluminum alloy casting (including hollow casting); Product positioning: lightweight automotive chassis component; Production scale: 7.3445 million lightweight brake components sold in the first half of 2026, up 11.59% year on year

• Chassis suspension systems for passenger vehicles
• Chassis lightweighting for new energy vehicles
• Vehicle weight reduction and range improvement solutions

Bethel's cast aluminum hollow knuckle adopts a hollow cast aluminum alloy structure that reduces unsprung mass while maintaining strength and stiffness. It represents the advanced form within the lightweight knuckle product line.

Structure: hollow aluminum alloy steering knuckle; Material and process: aluminum alloy casting (including hollow casting); Product positioning: lightweight automotive chassis component; Production scale: 7.3445 million lightweight brake components sold in the first half of 2026, up 11.59% year on year

• Front-wheel steering and suspension systems for passenger vehicles
• Unsprung mass reduction for new energy vehicles
• Vehicle handling and energy consumption optimization

Bethel's cast aluminum steering knuckle, covering both front and rear knuckles, is a representative product of the company's lightweight cast aluminum business. The company officially lists it among its mass-produced lightweight products (lightweight cast aluminum steering knuckle).

Structure: cast aluminum alloy steering knuckle; Covered types: front knuckle, rear knuckle; Material and process: aluminum alloy casting (including hollow casting); Product positioning: lightweight automotive chassis component; Production scale: 7.3445 million lightweight brake components sold in the first half of 2026, up 11.59% year on year

• Front and rear wheel steering and suspension systems for passenger vehicles
• Chassis lightweighting for new energy vehicles
• Vehicle weight reduction and handling performance improvement

Bethel's cast aluminum wishbone is a suspension control-arm type structural part made by aluminum alloy casting. Together with cast aluminum knuckles and control arms, it forms the chassis lightweight cast aluminum product matrix.

Structure: cast aluminum alloy wishbone; Material and process: aluminum alloy casting (including hollow casting); Product positioning: lightweight automotive chassis component; Production scale: 7.3445 million lightweight brake components sold in the first half of 2026, up 11.59% year on year

• Independent suspension systems for passenger vehicles
• Chassis lightweighting for new energy vehicles
• Vehicle weight reduction and suspension performance optimization

Bethel's C-EPS column-type electric power steering system places the motor assist unit on the steering column. It is the basic type of the company's electric power steering product line and has been further strengthened through the controlling stake in Yubei Steering.

Type: column-type electric power steering (C-EPS); Business entity: Bethel (completed the controlling acquisition of Yubei Steering System (Xinxiang) Co., Ltd. in June 2026, completing its electronically controlled steering product portfolio); Sales: 1.9526 million mechanical steering products sold in the first half of 2026, up 37.60% year on year; R&D direction: development and validation of steer-by-wire and rear-wheel steering

• Steering systems for passenger vehicles
• Supply for economy and mid-size passenger vehicle platforms
• Vehicle steering assistance and handling performance

Bethel's dual-pinion electric power steering (DP-EPS / P-EPS) is listed in the steering system section of the official website alongside C-EPS, R-EPS and MSG mechanical steering, targeting vehicle platforms with higher requirements for assist capability and steering feel.

Type: dual-pinion electric power steering (DP-EPS / P-EPS); Business entity: Bethel (completed the controlling acquisition of Yubei Steering System (Xinxiang) Co., Ltd. in June 2026, completing its electronically controlled steering product portfolio); Sales: 1.9526 million mechanical steering products sold in the first half of 2026, up 37.60% year on year; R&D direction: development and validation of steer-by-wire and rear-wheel steering

• Steering systems for mid-size and large passenger vehicles
• Steering assist systems for new energy vehicles
• Lateral execution layer for advanced driver assistance

Bethel's R-EPS rack-type electric power steering system places the assist unit on the pinion side of the steering gear, delivering a strong assist capability. It suits mid-size and large vehicles and models with high-quality steering requirements, and is one of the electric steering capabilities strengthened after the acquisition of Yubei Steering.

Type: rack-type electric power steering (R-EPS); Business entity: Bethel (completed the controlling acquisition of Yubei Steering System (Xinxiang) Co., Ltd. in June 2026, completing its electronically controlled steering product portfolio); Sales: 1.9526 million mechanical steering products sold in the first half of 2026, up 37.60% year on year; R&D direction: development and validation of steer-by-wire and rear-wheel steering

• Steering systems for mid-size and large passenger vehicles
• Steering assist systems for new energy vehicles
• Lateral execution for intelligent by-wire chassis

Bethel's MSG mechanical steering system comprises a mechanical steering gear and related steering components. It is the product line of the company's steering business aimed at basic vehicle platforms and is officially listed among the mass-produced products (mechanical steering).

Type: mechanical steering system (MSG); Related products: steering column, mechanical steering gear; Business entity: Bethel (completed the controlling acquisition of Yubei Steering System (Xinxiang) Co., Ltd. in June 2026, completing its electronically controlled steering product portfolio); Sales: 1.9526 million mechanical steering products sold in the first half of 2026, up 37.60% year on year; R&D direction: development and validation of steer-by-wire and rear-wheel steering

• Basic steering systems for passenger vehicles
• Steering supply for commercial vehicles and entry-level models
• Complete steering system supply to vehicle manufacturers

The hydraulic power steering system (HPS) was brought into Bethel's product system through the controlling stake in Yubei Steering. The company's official business report discloses that Yubei Steering's products cover hydraulic power steering, electric power steering and related steering components, with customers including automakers such as BYD, Dongfeng, Ford, JMC, Leapmotor and XPeng.

Type: hydraulic power steering system (HPS); Business entity: Yubei Steering System (Xinxiang) Co., Ltd. (controlled by Bethel); Main customers: BYD, Dongfeng, Ford, JMC, Leapmotor, XPeng

• Hydraulic power steering systems for passenger vehicles
• Steering system supply for commercial vehicles
• Steering component supply to vehicle manufacturers

Bethel's EDC electronically controlled damper is one of the core actuating components of the electronically controlled suspension system. The company has introduced a globally pioneering integrated damper solution that merges the sensors and controllers of brake-by-wire and the electronically controlled damper, and it has already won nominations for several complete-vehicle programs.

Product category: electronically controlled damper (EDC); System positioning: automotive electronically controlled suspension system; Fusion innovation: a globally pioneering integrated damper solution that merges the sensors and controllers of brake-by-wire and the electronically controlled damper; several program nominations secured, with the first program entering mass production in the third quarter of 2026

• Electronically controlled suspension systems for passenger vehicles
• Suspension comfort control for new energy vehicles
• Vertical control for intelligent chassis

Bethel's dual-mode air supply unit is an integrated actuating component that supplies air to the electronically controlled suspension system. Together with air springs and EDC electronically controlled dampers, it forms the electronically controlled suspension system product portfolio.

Product category: dual-mode air supply unit; Parent system: electronically controlled suspension system; System positioning: automotive electronically controlled suspension system; Fusion innovation: a globally pioneering integrated damper solution that merges the sensors and controllers of brake-by-wire and the electronically controlled damper; several program nominations secured, with the first program entering mass production in the third quarter of 2026

• Air supply for air suspension systems
• Electronically controlled suspension for new energy vehicles
• Vertical control for intelligent chassis

Bethel's air spring is a key elastic element that enables body height adjustment and load-adaptive adjustment in the electronically controlled suspension system. Together with the dual-mode air supply unit and the EDC electronically controlled damper, it forms a complete suspension system solution.

Product category: air spring; Parent system: electronically controlled suspension system; System positioning: automotive electronically controlled suspension system; Fusion innovation: a globally pioneering integrated damper solution that merges the sensors and controllers of brake-by-wire and the electronically controlled damper; several program nominations secured, with the first program entering mass production in the third quarter of 2026

• Air suspension systems for passenger vehicles
• Body height adjustment for new energy vehicles
• Intelligent chassis system integration

Bethel's advanced driver assistance system (ADAS) is the company's product line in the intelligent driving field. The official website product center has a dedicated ADAS section, and the company officially lists automotive braking systems and intelligent driving systems as its two main business directions, ranking ADAS among its mass-produced products.

Product category: advanced driver assistance system (ADAS); Business positioning: one of the company's two main business directions (braking systems and intelligent driving systems); Related capability: works with WCBS brake-by-wire and EMB to deliver longitudinal control execution

• Advanced driver assistance functions for passenger vehicles
• Longitudinal control execution for intelligent driving
• Cross-system coordination for intelligent chassis

Bethel's single-drive power liftgate system (SD-PLG) uses a one-side drive solution and is the basic configuration of the power liftgate product line. It is listed under the name SD-PLG on the English official website.

Drive type: single drive (SD-PLG); Product positioning: automotive power liftgate (PLG) system; Official statement: one of the company's mass-produced products (power liftgate)

• Power liftgate systems for passenger vehicles
• Electric opening and closing of SUV and MPV liftgates
• Vehicle smart entry and body electronics

Bethel's dual-drive power liftgate system (DD-PLG) uses a two-side drive solution, suitable for large liftgates and high-load opening and closing requirements. It is listed under the name DD-PLG on the English official website.

Drive type: dual drive (DD-PLG); Product positioning: automotive power liftgate (PLG) system; Official statement: one of the company's mass-produced products (power liftgate)

• Power liftgate systems for passenger vehicles
• Electric opening and closing of mid-size and large SUV and MPV liftgates
• Vehicle smart entry and body electronics

Bethel's power liftgate system with dual drive and integrated dual-control EPB combines dual-drive liftgate actuation with dual-control EPB. Listed as PLG Plus on the English official website, it is the highly integrated solution in the power liftgate product line.

Drive type: dual drive with integrated dual-control EPB; English name: PLG Plus; Product positioning: automotive power liftgate (PLG) system; Official statement: one of the company's mass-produced products (power liftgate)

• Power liftgate systems for passenger vehicles
• Integrated liftgate actuation and parking brake solutions
• Vehicle smart entry and body electronics

Bethel's electronic stability control system (ESC) has a dedicated ESC section in the English official website product center and is listed under the ESC 620 model. Together with stability control functions such as ABS/TCS, it belongs to the company's electronically controlled braking product system.

Model: ESC 620; Product category: electronic stability control system (ESC); Official listing level: standalone product entry in the ESC section of the English official website Product Catalog; Related functions: ABS and TCS vehicle stability control

• Vehicle stability control for passenger vehicles
• Active safety systems for new energy vehicles
• Electronic brake control for complete vehicles

Bethel's product line of precision transmission and actuation components positioned for the robotics field. The official business report discloses that Zhejiang Bojian Transmission focuses on precision transmission components required for humanoid robot joints, such as ball screws and miniature and planetary roller screws; Bethel Drive focuses on mastering core motor technologies; and a joint module R&D team has been formed to systematically integrate key components such as screws and motors into complete joint module products.

Product scope: precision transmission components such as ball screws, miniature roller screws and planetary roller screws, plus motors for robots and joint modules; Business entities: Zhejiang Bojian Transmission (screws), Bethel Drive (motors), joint module R&D team; Strategic positioning: cultivating the company's second growth curve

• Humanoid robot joint transmission
• Precision transmission components for robots
• Robot joint module integration