Zhejiang Shibao Co., Ltd.

Zhejiang Shibao's Electric Power Steering (EPS) product series, a primary category in the official product center. Covering various electric steering systems with different assist forms, it provides electric assist, speed-sensitive assist and automatic return functions for fuel and new energy vehicles, and is one of Shibao's key development directions.

Electric power assist (EPS); speed-sensitive assist characteristic; automatic return; energy-saving and eco-friendly; suitable for passenger cars and light commercial vehicles

• Passenger cars
• SUVs
• Light commercial vehicles
• New energy vehicles

Intelligent steering product series for intelligent driving and autonomous driving, a primary category in the official product center. Includes steer-by-wire, redundant electric/hydraulic recirculating-ball steering, rear-wheel steering and lane-keeping solutions, providing steering actuation assurance for intelligent-driving vehicles.

Supports intelligent driving/autonomous driving; redundant design optional; steer-by-wire/electric/hydraulic implementations; high safety level

• Intelligent-driving vehicles
• Autonomous vehicles
• High-end passenger cars
• Commercial vehicles

Hydraulic Power Steering (HPS) product series, a primary category in the official product center. Using hydraulic assist, it includes recirculating-ball and rack-and-pinion structures, mainly for commercial vehicles, buses and engineering vehicles.

Hydraulic assist (HPS); recirculating-ball/rack-and-pinion structure; high output force; high reliability

• Trucks
• Buses
• Engineering vehicles
• Some passenger cars

Mechanical Steering (MS) product series, a primary category in the official product center. Unassisted purely mechanical steering gear, including recirculating-ball and rack-and-pinion structures, suitable for light-load and specific vehicle types.

Purely mechanical structure; no assist; recirculating-ball/rack-and-pinion form; simple maintenance

• Light trucks
• Agricultural vehicles
• Low-speed engineering vehicles
• Some passenger cars

Steering system component series, a primary category in the official product center. Includes steering columns, intermediate shafts, electronic controllers, pitman arms, hub brackets, steering knuckles, assist cylinders and other steering-system supporting parts, supporting modular supply of steering systems.

Compatible with various steering gears; modular supply; multiple specifications available

• Supporting various steering system assemblies
• Commercial vehicles
• Passenger cars

A steering gear adopting a recirculating-ball structure with an integrated electric-assist mechanism, mainly for commercial-vehicle electric steering applications, replacing traditional hydraulic power steering.

Recirculating-ball structure; electric assist; suitable for commercial vehicles; can replace traditional hydraulic assist

• Commercial vehicles
• Buses
• Trucks
• New-energy commercial vehicles

A recirculating-ball steering gear combining an electric pump with hydraulic assist: an electric motor drives a hydraulic pump to provide assist, balancing the high output of hydraulic assist with the energy savings of electric control.

Recirculating-ball structure; electro-hydraulic assist (motor-driven pump); energy-saving; adjustable assist

• Commercial vehicles
• Buses
• Medium-to-heavy trucks

An electric power steering system using a dual-pinion structure: two pinions transmit the driver input and the motor assist respectively, enabling more precise assist control, suitable for medium and large vehicles.

Dual-pinion type; electric assist; precise assist control; suitable for medium/large vehicles

• Passenger cars
• SUVs
• Medium-sized vehicles

Rack-type electric power steering system (REPS): the motor acts directly on the rack to provide assist, compact and responsive, widely used in passenger cars.

Rack-type; electric assist; compact structure; fast response

• Passenger cars
• Compact cars
• New-energy sedans

Pinion-type electric power steering system: the motor acts on the pinion via a reduction mechanism to provide assist, flexible in layout, suitable for small cars.

Pinion-type; electric assist; flexible layout; suitable for small cars

• Small sedans
• A0/A-segment cars
• New-energy small cars

Column-type electric power steering system (C-EPS): the assist motor is integrated into the steering column, low cost and easy to package, mostly for mini and small cars.

Column-type; electric assist; low cost; easy to package

• Mini cars
• Small cars
• Entry-level passenger cars

Steer-by-wire system (SBW) removes the mechanical steering column connection and transmits steering commands via electronic signals; a core steering actuator for intelligent driving, usually with redundant design.

Steer-by-wire (no mechanical link); electronic signal transmission; redundant design; supports autonomous driving

• Intelligent-driving vehicles
• Autonomous test vehicles
• High-end electric vehicles

An electro-hydraulic recirculating-ball steering gear with fully redundant design, meeting fail-safe requirements for intelligent driving; a key steering component for intelligent-driving commercial vehicles.

Recirculating-ball structure; electro-hydraulic assist; full redundancy; high safety level

• Intelligent-driving commercial vehicles
• Autonomous trucks
• High-end buses

An electric recirculating-ball steering gear with dual-motor redundant design, improving steering-system reliability and safety, still operable after failure.

Recirculating-ball structure; electric assist; dual-motor redundancy; operable after failure

• Intelligent-driving commercial vehicles
• New-energy commercial vehicles
• Autonomous vehicles

Rear-wheel steering system (RWS) improves vehicle handling and agility by controlling the rear-wheel steering angle: more agile at low speed, more stable at high speed.

Rear-wheel angle control; improved handling; agile at low speed / stable at high speed; electric drive

• High-end passenger cars
• SUVs
• Intelligent-driving vehicles

Lane-keeping assist system actively intervenes via steering to keep the vehicle centered in its lane, integrated with EPS/SBW, an ADAS function.

Active steering intervention; lane recognition; driver assistance; integrated with EPS/SBW

• Intelligent-driving vehicles
• ADAS-equipped models
• Commercial vehicles

A recirculating-ball hydraulic power steering gear with dual-circuit design, improving fail-safe safety, suitable for buses and medium-to-heavy trucks with high safety requirements.

Recirculating-ball structure; hydraulic assist; dual circuit; fail-safe protection

• Buses
• Medium-to-heavy trucks
• Engineering vehicles

Standard recirculating-ball hydraulic power steering gear, suitable for commercial vehicles and engineering vehicles, with strong load capacity and high reliability.

Recirculating-ball structure; hydraulic assist; high load capacity; high reliability

• Trucks
• Buses
• Engineering vehicles
• Agricultural vehicles

Rack-and-pinion hydraulic power steering gear, compact with clear road feel, suitable for passenger cars and light vehicles.

Rack-and-pinion type; hydraulic assist; compact; clear road feel

• Passenger cars
• Light commercial vehicles
• SUVs

Purely mechanical recirculating-ball steering gear, unassisted, simple and reliable, suitable for light-load vehicles.

Recirculating-ball structure; purely mechanical; no assist; maintenance-free and simple

• Light trucks
• Agricultural vehicles
• Low-speed engineering vehicles

Purely mechanical rack-and-pinion steering gear, unassisted and lightweight, suitable for light-load vehicles.

Rack-and-pinion type; purely mechanical; no assist; lightweight

• Mini cars
• Light trucks
• Agricultural vehicles

Electric 4-way adjustable steering column supporting electric driver-position adjustment, often paired with comfort/memory configurations.

4-way adjustable; electric adjustment; memory/comfort configuration; integrated with steering column

• Passenger cars
• High-end models
• New-energy sedans

Mechanically (manually) adjustable 4-way steering column, manually adjusts up/down and fore/aft positions, simple structure and low cost.

4-way adjustable; manual mechanical adjustment; simple structure; low cost

• Passenger cars
• Commercial vehicles

18-spline injection-molded steering intermediate shaft connecting the steering column and the steering gear; the molded layer absorbs vibration and transmits steering torque.

18-spline; injection-molded; vibration damping; transmits steering torque

• Passenger cars
• Supporting various steering systems

16-spline injection-molded steering intermediate shaft connecting the steering column and the steering gear; the molded layer absorbs vibration and transmits steering torque.

16-spline; injection-molded; vibration damping; transmits steering torque

• Passenger cars
• Supporting various steering systems

Ball-type steering intermediate shaft uses a ball structure to transmit torque and absorb vibration, connecting the steering column and the steering gear.

Ball-type; low friction; vibration damping; transmits steering torque

• Passenger cars
• Supporting various steering systems

Steering-system electronic control unit (ECU) for electric-assist and steer-by-wire control computation; the core electronic component of EPS/SBW.

Steering control ECU; motor control; assist/redundancy logic; paired with EPS/SBW

• Electric power steering systems
• Steer-by-wire systems
• Intelligent steering systems

Steering pitman arm (drop arm) converts the steering gear output into the reciprocating motion of the steering drag link; a key output part of recirculating-ball steering gears.

Steering gear output end; forged/cast; high strength; multiple specifications

• Commercial vehicles
• Supporting various recirculating-ball steering gears

Steering-system hub bracket / steering-knuckle bracket type component, mating with the suspension and steering knuckle; a chassis structural part.

Support structural part; mates with suspension/steering knuckle; multiple specifications

• Commercial vehicles
• Passenger cars
• Chassis supporting

Automotive steering knuckle (upright) connects the wheel and suspension and transmits steering force; the official site mentions specifications for Mazda M6, Hongqi and other models.

Steering/suspension connection node; bears steering torque; multiple vehicle-model specifications

• Passenger cars
• Commercial vehicles
• Sedans

The assist cylinder of a hydraulic power steering system provides hydraulic assist output and is the actuator of HPS.

Hydraulic actuator; paired with HPS; assist output; high-pressure resistant

• Hydraulic power steering gears
• Commercial vehicles
• Engineering vehicles

The steering oil pump (power steering pump) of a hydraulic power steering system supplies pressurized oil for hydraulic assist; explicitly listed among the five major product systems in the official product overview.

Hydraulic pump; supplies pressure oil for HPS; engine/motor driven; multiple displacements

• Hydraulic power steering gears
• Commercial vehicles
• Engineering vehicles