Company profile
Shuanglin Co., Ltd. is a verified Chinese manufacturer in the new-energy vehicle supply chain. Its documented manufacturing scope includes EV drive systems, motors and controllers.
Products
New Energy Electric Drive System
The new energy electric drive system business of Shuanglin's Powertrain (Intelligent Drive) segment focuses on the development, production and sale of core modules such as electric vehicle motors, controllers, VMS vehicle control units and BMS battery management systems. It can provide different drive system solutions and is a core supplier to major domestic OEMs.
Production bases located in Linyi (Shandong), Ninghai (Zhejiang) and other locations; the main output covers permanent-magnet synchronous motors for electric vehicles, motor controllers, and the full VMS and BMS product ranges; more than 60 engineers and technicians of various disciplines; 22 patents obtained for motors, controllers, VMS and BMS products; certified to TS16949, ISO9001, CCC and EU CE
- Main drive system for battery electric vehicles
- Auxiliary drive system for battery electric vehicles
- Generators for hybrid electric vehicles
- Electric drive assemblies for new energy vehicles
Medium and Low Voltage Electric Drive Products
Medium and low voltage electric drive products are divided into the 180 platform and the 155 platform and cover two types of assemblies, drive motors and electric axles. They are aimed at A0-segment main drive, A-segment auxiliary drive and hybrid generators, as well as A00-A0 segment main drive applications.
180 platform: power 50-120 kW; voltage range 200 V-600 V; cooling by water or oil; target vehicles A0-segment main drive, A-segment auxiliary drive and hybrid generators; motors SDM180A (four-layer flat wire) and SDM180B (six-layer flat wire); electric axles SEA180 (50 kW/75 kW three-in-one, 100 kW three-in-one/six-in-one); 155 platform: power 20-50 kW; voltage range 72 V-450 V; natural air cooling; target vehicles A00-A0 segment main drive; motor SDM155 (round wire); electric axles SEA155 (two-in-one/three-in-one)
- Main drive for A0-segment battery electric vehicles
- Auxiliary drive for A-segment vehicles
- Generators for hybrid electric vehicles
- Main drive for A00-A0 segment battery electric vehicles
Wheel Hub Bearing Units
The hub bearing unit business is operated by Hubei Shuanglin. In the passenger car hub bearing unit market segment it aims to become a core leading brand in the domestic market and a well-known brand with global influence. Products are divided into first, second and third generation hub bearings and can be developed in sync with OEMs.
Annual output of 3 million single-row tapered roller bearings; 4.2 million double-row angular contact ball bearings; 1.2 million double-row tapered roller bearings; 5.4 million second-generation hub bearing units; 16.2 million third-generation hub bearing units; five branch plants plus a heat treatment workshop and a tooling and die workshop; the technology centre has 134 staff including 6 foreign experts
- Drive wheel ends of passenger cars
- Non-drive wheel ends of passenger cars
- Wheel ends of sedans, SUVs, MPVs and pickups
- Wheel ends of commercial vehicles
First Generation Hub Bearings
First generation hub bearings are the most widely used product today. Their structure consists of one outer ring and two inner rings, and they are mainly used on vehicle drive wheels.
Structure: one outer ring plus two inner rings; design life over 300,000 km; stiffness at least 4000 N.m/degree
- Drive wheels of sedans
- Drive wheels of SUVs
- Drive wheels of MPVs
- Drive wheels of pickups
- Drive wheels of commercial vehicles
Second Generation Hub Bearings
Second generation hub bearings consist of one flange and two inner rings. They are mainly used on non-drive wheels of vehicles and are characterised by not requiring press fitting.
Structure: one flange plus two inner rings; design life over 300,000 km; stiffness at least 4200 N.m/degree; rotational torque within 1.0 N.m; feature: no press fitting required
- Non-drive wheels of sedans
- Non-drive wheels of commercial vehicles
Third Generation Hub Bearings
Third generation hub bearings are now widely used and represent a trending product. Their structure consists of two flanges and one inner ring, and they are mainly used on the front and rear wheels of vehicles.
Structure: two flanges plus one inner ring; design life of more than 500,000 km; mainly used on the front and rear wheels of vehicles
- Front and rear wheels of sedans
- Front and rear wheels of SUVs
- Front and rear wheels of MPVs
- Front and rear wheels of pickups
- Front and rear wheels of commercial vehicles
Automotive Exterior and Interior Trim Parts
Automotive exterior and interior trim parts are the main product line of the automotive trim division. The main products include instrument panels, door panels, pillars, centre consoles, tailgates and side surround mouldings. They are organised into exterior trim and interior trim categories and are produced at more than 10 manufacturing bases located close to vehicle assembly plants.
Production processes: injection moulding, vacuum forming, automatic painting, vibration friction welding, hot-melt welding and assembly line operation; the division operates more than 10 manufacturing bases; main injection moulding machines from 100 T to 3300 T (Haitian, Engel, Demag, Sumitomo)
- Instrument panels for passenger cars
- Door panels for passenger cars
- Pillars for passenger cars
- Centre consoles for passenger cars
- Tailgates for passenger cars
- Side surround mouldings for passenger cars
Exterior Trim Parts
The exterior trim series of automotive trim parts covers appearance components such as grilles, front and rear bumpers and decorative panels, produced using injection moulding, vacuum forming, automatic painting and assembly line processes.
Typical products: grilles, front bumpers, rear bumpers, decorative panels; processes: injection moulding, vacuum forming, automatic painting, assembly line operation; equipped with a large fully automatic automotive bumper painting line
- Front bumpers for passenger cars
- Rear bumpers for passenger cars
- Front grilles for passenger cars
- Exterior decorative panels for passenger cars
Interior Trim Parts
The interior trim series of automotive trim parts covers instrument panels, door panels, pillars, centre consoles, sunroof channels and water drains, produced using injection moulding, vacuum forming, vibration friction welding, hot-melt welding and assembly line processes.
Typical products: B-pillar trim panels, pillars, sunroof channels, door panels (black), water drains, PP plus long glass fibre door substrates; processes: injection moulding, vacuum forming, vibration friction welding, hot-melt welding, assembly line operation
- B-pillar trim panels for passenger cars
- Door panels for passenger cars
- Pillars for passenger cars
- Sunroof channels for passenger cars
- Water drains for passenger cars
Precision Injection Moulded Automotive Parts
The main products of precision injection moulded automotive parts include airbag mouldings, precision plastic gears, precision mouldings for air conditioning systems and precision mouldings for fuel systems. They are organised into two categories, engine cooling system parts and safety system parts.
Processes: high-gloss injection moulding, insert injection moulding, two-shot injection moulding, gas-assisted injection moulding, automated robotic production, automated pin insertion assembly, vacuum forming; products are moulded in a single shot on fully automated production equipment
- Automotive passive safety systems
- Engine cooling systems
- Automotive air conditioning systems
- Automotive fuel systems
Engine Cooling System Parts
A series of engine cooling system parts within the precision injection moulded automotive parts range, with typical products including engine covers, fan blades, air conditioning housings, water chambers, chain guides and air chambers.
Typical products: engine covers, fan blades, air conditioning housings, water chambers, chain guides, air chambers; processes: high-gloss injection moulding, insert injection moulding, two-shot injection moulding, gas-assisted injection moulding
- Automotive engine cooling systems
- Automotive air conditioning systems
- Engine timing chain systems
Safety System Parts
A series of safety system parts within the precision injection moulded automotive parts range, with typical products including airbag covers, passenger-side airbag covers, gas generator brackets and secondary gas generator brackets.
Typical products: airbag covers, passenger-side airbag covers, gas generator brackets, secondary gas generator brackets; processes: single-shot moulding on fully automated production equipment, automated pin insertion assembly
- Driver-side airbags
- Passenger-side airbags
- Airbag gas generator mounting
Automotive Electromechanical Parts
The automotive electromechanical parts business mainly engages in the design, development, manufacture and sale of core components and electronic control modules for automotive power seats. Based on three core technology strengths, transmission technology, motor drive and motor control, it provides customers with platform-based, systematic and full-process service solutions.
Two modern manufacturing plants in Ningbo; the transmission plant has an annual output of 8 million automotive power seat drives, 3.6 million flexible shafts, 960,000 motors and 200,000 electronic modules; the stamping plant produces 200 medium and large dies and 4.6 million stamped parts of various types per year; certified to TS16949, ISO9001 and ISO14001
- Automotive power seat systems
- Automotive window lift systems
- Stamped structural parts for doors and seats
- Automotive interior transmission systems
Motors
Automotive micro motors are a project the company has focused on developing and producing in recent years. They include seat horizontal motors, recline motors, lift motors, side lift motors and window motors, all independently developed.
Product types: seat horizontal motors, recline motors, lift motors, side lift motors, window motors; annual production capacity of millions of units already in place; the transmission plant has an annual motor capacity of 960,000 units
- Horizontal adjustment of automotive power seats
- Reclining adjustment of automotive seat backs
- Height adjustment of automotive seats
- Automotive window lifting
Seat Drives
Since 2002 the company has been developing horizontal seat drives. It has successfully supplied seat makers such as Faurecia and Lear, with main vehicle applications including Maserati, Tesla and Infiniti, as well as domestic models such as Audi Q3/Q5, Tiguan, GAC Fiat, Great Wall H6 and Dongfeng Peugeot Citroen.
The transmission plant produces 8 million automotive power seat drives per year; customers include seat makers such as Faurecia and Lear; main vehicle applications include Maserati, Tesla, Infiniti, Audi Q3/Q5, Tiguan, GAC Fiat, Great Wall H6 and Dongfeng Peugeot Citroen
- Horizontal drive for automotive power seats
- Seat adjustment assemblies for passenger cars
Flexible Shafts
Alongside the development of horizontal seat drives, the company independently developed flexible shaft products. Their excellent performance and flexible matching make them, together with horizontal seat drives, a first choice for customers.
The transmission plant produces 3.6 million flexible shafts per year; the range includes flocked flexible shafts; flexible matching is achieved in combination with horizontal seat drives
- Transmission in automotive power seats
- Matching with horizontal seat drives
Automotive Stamped Parts
The company's stamping business covers dies and stamped parts for several automotive systems such as door and window, seat and safety systems. It is classified into door and window systems, safety systems and automotive interior systems, and currently serves customers mainly including the Brose Group, Magna and Faurecia.
The stamping plant produces 200 medium and large dies and 4.6 million stamped parts of various types per year; equipped with dozens of large-tonnage presses, several fully automatic welding lines and automatic assembly lines; typical parts include sill reinforcement panels, door and window frames, bumper impact beams, front end panel assemblies, instrument panel cross members and split pillar guides
- Automotive door and window systems
- Automotive safety systems
- Automotive interior systems
- Automotive seat systems
Precision Gears
Precision gears are one of the product lines of the automotive electromechanical division. They are matched with transmission systems such as automotive power seats and are produced by the division's transmission and stamping manufacturing units.
The transmission plant has capacity for transmission parts matching 8 million automotive power seat drives per year; the stamping plant produces 200 medium and large dies and 4.6 million stamped parts of various types per year; equipped with fully automatic assembly lines
- Transmission mechanisms of automotive power seats
- Automotive micro transmission mechanisms
Roller Screws
One of the key components for embodied robots exhibited by Shuanglin at the 16th Smart City and Intelligent Economy Expo (Smart Expo). It is a core transmission product in the company's focus on the embodied robotics sector.
Category: core transmission component for embodied robots; exhibited alongside ball screws, linear joint modules and rotary joint modules; the company already has mass production capability
- Linear actuators for embodied robots
- Joint transmission for humanoid robots
Ball Screws
One of the key components for embodied robots exhibited by Shuanglin in the embodied intelligence area of the 16th Smart Expo. Together with roller screws, it is a core product of the company in the field of robotic transmission.
Category: core transmission component for embodied robots; exhibited alongside roller screws, linear joint modules and rotary joint modules; the company already has mass production capability
- Linear actuators for embodied robots
- Joint transmission for humanoid robots
Linear Joint Modules
A key component for embodied robots exhibited by Shuanglin in the embodied intelligence area of the 16th Smart Expo. It is part of the company's latest achievements in the AI transformation and embodied robotics core business segment.
Category: joint modules for embodied robots; exhibited alongside roller screws, ball screws and rotary joint modules; the company has mass production capability
- Linear joints for humanoid robots
- Actuator modules for embodied robots
Rotary Joint Modules
A key component for embodied robots exhibited by Shuanglin in the embodied intelligence area of the 16th Smart Expo. Together with linear joint modules, it forms the company's product layout in the field of robotic joint transmission.
Category: joint modules for embodied robots; exhibited alongside roller screws, ball screws and linear joint modules; the company has mass production capability
- Rotary joints for humanoid robots
- Actuator modules for embodied robots
Production evidence
The cited official source confirms manufacturing capability for EV drive systems, motors and controllers and a direct connection to new-energy vehicles.
This profile is based on confirmed public information. It is not an audit, certification or commercial endorsement.
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