Best Largest Tier 1 Automotive Suppliers

Impro (China) Limited

🇨🇳 China

1998

5001-10000 people

Manufacturer/Service Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

6947

Key customer

BORGWARNER TURBO EMISSIONS SYSTEMS DE MEXICO SA DE CV

Key market

North America

Description

Impro (China) Limited, a subsidiary of the Impro Group, is a global top 10 manufacturer of high-precision, high-complexity, and mission-critical components. Founded in 1998 and headquartered in Wuxi, the company operates as a comprehensive one-stop-shop service provider for industries including automotive, aerospace, medical, and energy. With a global workforce of over 7,000 employees and 21 manufacturing facilities across seven countries, the company offers localized production and near-sourcing solutions for international markets. Impro specializes in four core business areas: investment casting, sand casting, precision machining, and surface treatment. Their technical capabilities are extensive, producing investment castings up to 80kg and sand castings up to 20 tons, alongside micron-level precision machining for hydraulic components. Key products include engine fuel system parts, transmission components, exhaust manifolds, surgical instruments, and medical implants. The company is a trusted contract manufacturer for industry leaders such as Bosch, Caterpillar, Cummins, Honeywell, and GE Aerospace. Operating with IATF 16949, ISO 9001, and ISO 14001 certifications, Impro manages the entire product life cycle from tooling design and heat treatment to final finishing and laboratory services.

Automotive Parts - Investment Casting$3000

Sand Casting Parts$3000

Industrial Parts - Investment Casting$3000

Jining Jifeng Hydraulic Machinery Equipment Co., Ltd.

🇨🇳 China

2007

More than 10000 people

Manufacturer/Trading Company/Wholesaler/Distributor

High capacity factory

Large enterprise group

Product customization

Custom packaging

Shipments

Key customer

ООО ТРАНСТЕХНОЛОГИИ

Key market

South America

Review

4.9

Wholesale Automotive Parts Fuel Injector OEM 3879432 China Supplier diesel Engine Part Fuel Injector in Fuel System$500

High Quality Construction Machinery Parts WA480-6 WA470-6 SAA6D125E Engine Pump Parts 6251-61-1100 Water Pump Assembly$160

Construction Machinery Parts ZX30U-3F ZX33U-3F ZX35U-3F High Quality Diesel Engine Parts Filter 129907-55801 Fuel Filter$65

Factory Prices Front End Compact Loader 11 Ton Wheel Payloader with Spare Parts$32979

Engineering Machinery Parts High Quality Loader Parts WA150 WA150PZ Wholesaler 421-06-35111 SWITCH PRESSURE 421-06-35111$60

Engineering Machinery Parts Excavator Parts Wholesaler PC220 PC300 LEVER 20Y-43-22211 LEVER 20Y-43-22211$300

Factory Hot Selling Construction Machinery Parts 330C 330C FM 330C L 330C MH Hydraulic Fan Motor 191-5611 Piston Pump$290

Excavator Loader diesel Engine Breather 6210-21-8711 Breather Excavator Loader Diesel Engine Parts New Breather in Stock$5

Engineering Machinery Parts Wholesaler Loader Parts SWITCH TRANSMISSION 417-43-26212 SWITCH TRANSMISSION 417-43-26212$150

Inexpensive Engineering Machinery Parts O-RING 07000-05315 Bulldozer Parts O-RING 07000-05315$15

original Bulldozer parts 702-16-01451 Pilot Valve good quality Solenoid Valve for D155A D155AX Factory direct sales$150

High Quality Cheap Price Construction Machinery Accessories Excavator Parts PC200 PC220 PC270 WIRING HARNESS 20Y-06-71512$450

3cems Group Prime Technology Inc.

🇨🇳 China

1996

5001-10000 people

Manufacturer/Service Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Key customer

DIGITAL CHECK CORP

Key market

South America

Description

3cems Group Prime Technology Inc. is a leading electronic design and manufacturing services (EMS/DMS) provider based in Guangzhou, China, with over 30 years of global experience. Established in 1998, the company operates as a manufacturer and service provider, employing between 5,001 and 10,000 people across vertically integrated factories totaling 132,752 square meters. They specialize in contract manufacturing, ODM, and OEM services, offering comprehensive solutions including PCBA, Box-Build, System Integration, and Turnkey Sourcing. Their expertise spans a wide range of industries, including Automotive (IVI Systems, ADAS, EV Chargers), Communication (Routers, Optical Modules, AI Computing), Industrial (ATMs, POS Devices), Medical, and Consumer Electronics. The company holds numerous certifications, including ISO 9001, ISO 14001, IATF 16949, ISO 13485, IFS, and QC080000, ensuring high-quality standards. With a strong focus on R&D and an export percentage of 71% to 90%, 3cems Group Prime Technology Inc. serves major markets across North America, South America, Europe, Asia, and Africa, providing one-stop solutions from material sourcing to large-scale production.

Automotive Electronics Manufacturing PCBA Adas OEM ODM EV Charger Manufacturing

Zhuhai Shuangfei Electric Systems Co., Ltd.

🇨🇳 China

1993

5001-10000 people

Manufacturer

High capacity factory

Established brand

Large enterprise group

High-tech enterprise

Key customer

BESTUNE

Key market

🇲🇪 Montenegro

Description

Zhuhai Shuangfei Electric Systems Co., Ltd., a subsidiary of Liuzhou Shuangfei Auto Electric Appliances Manufacturing Co., Ltd., is a professional manufacturer of vehicle wiring harnesses. Established in 2014, the company integrates design, development, testing, and large-scale production of automotive electrical components. With over 5000 employees across multiple production sites in China and Indonesia, the company specializes in comprehensive wiring harness solutions, including passenger vehicle wiring harnesses (whole vehicle, power, and new energy applications), new energy vehicle wiring harnesses (German, Japanese, and national standards, shielded, and large cross-section wires), commercial vehicle wiring harnesses (high and low-temperature resistance), and wiring harnesses for construction machinery and non-road vehicles. They also produce automotive low-voltage wires and cables, auto power distribution systems, and signal wiring harness products. Zhuhai Shuangfei operates an 8000 square meter facility with an annual output of 250,000 car sets. The company offers OEM and ODM services and is certified with IATF 16949, ISO 9001, and ISO 14001, ensuring a robust quality management system. With a production capacity exceeding 2 million sets per year for the group, they serve domestic, Southeast Asian, Middle Eastern, and North American markets.

Automotive Wire Harness Car Cable Harness Vehicle String Harness Kit

Engine Wire Harness Dash Board Cable Chassie String Assembly for Automobility Excavator Motorcycle Vehicle$50

Leoni Changzhou Wire Co. Ltd

🇨🇳 China

1917

More than 10000 people

Manufacturer

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

Key customer

NEXANS AMERCABLE INCORPORATED

Key market

🇨🇳 China

Description

Leoni Changzhou Wire Co. Ltd is a manufacturer of wiring systems, cable harnesses, and various cable products, operating as a subsidiary of LEONI AG. Established in 1995 in Changzhou, China, the company is part of a global enterprise with over 87,000 employees and EUR 5 billion in sales in 2024. They specialize in energy and data management solutions for the automotive industry, offering a comprehensive portfolio that includes low voltage wiring harnesses, high voltage wiring systems, high voltage battery solutions, and electromobility solutions. Their product range extends to automotive cables (single-core, multi-core, data, coaxial, high voltage), charging cables, power cords, and specialized wire products like copper flexibles and resistance welded strands. Leoni Changzhou Wire Co. Ltd operates a 3,000m2 facility equipped with German-imported technology for wire drawing, stranding, and electroplating. The company holds numerous certifications including ISO 9001, ISO 14001, IATF 16949, ISO 50001, ISO 45001, UL, SAA, CCC, and TS16949, demonstrating a commitment to quality and international standards. They serve a diverse clientele in the automotive, telecommunication, computer, and appliance industries, with products distributed across China and East & Southeast Asian countries. They also offer OEM and ODM services.

Automotive Wires

Ningbo Xusheng Autoparts Factory

🇨🇳 China

2007

5001-10000 people

Manufacturer/Wholesaler/Service Company/Trading Company

High capacity factory

Large enterprise group

OEM manufacturer

Product customization

Key customer

BMW

Key market

🇺🇸 United States

Description

Ningbo Xusheng Autoparts Factory, also known as Ningbo Xusheng Auto Parts Co., Ltd. and Xusheng Group, is a leading manufacturer, wholesaler, service company, and trading company based in Ningbo, China. Established in 2005, the company has grown significantly, employing between 5,001 and 10,000 people. They specialize in the research, development, production, and sale of precision aluminum alloy auto parts and industrial aluminum alloy parts, utilizing advanced manufacturing processes such as die-casting, forging, extrusion, and precision machining. Their extensive product portfolio includes components for automotive transmission systems, battery systems, chassis systems, suspension systems, and motor housings, with a strong focus on new energy vehicles and lightweight vehicle components. Ningbo Xusheng Autoparts Factory is certified with ISO 9001 and operates a factory, offering both component manufacturing and contract manufacturing services. The company serves a global clientele, including major automotive brands like Tesla, Mercedes-Benz, BMW, Volkswagen, and BYD, and is expanding its international footprint with investments in overseas subsidiaries and production facilities in North America. Beyond manufacturing, they also engage in offshore trade operations, procurement agency services, and technology import and export, providing comprehensive solutions to the B2B market.

Truck Parts-Lift Cylinder Carrier

Truck Parts-Front Hub

Truck Parts

Truck Parts-Elastic Carrier

Truck Parts-Brake Shoe

Truck Parts-Front Through Shaft

Truck Parts-Clamp Plate

Lucky Harvest Co., Ltd.

🇨🇳 China

2004

5001-10000 people

Manufacturer

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

2055

Key customer

LUCKY HARVEST MEXICO SA DE CV

Key market

🇩🇪 Germany

Description

Lucky Harvest Co., Ltd. (Stock Code: 002965) is a leading manufacturer and intelligent manufacturing supplier specializing in precision stamping dies and metal structural components. Established in 2004 and headquartered in Dongguan, China, the company has grown into a large-scale enterprise with over 6,900 employees and an annual output value of 5.7 billion CNY. Operating from eight production bases across China and maintaining a global presence with technical offices and subsidiaries in Mexico and other regions, the company serves a prestigious international clientele including BMW, Mercedes-Benz, Volkswagen, Toyota, and Tesla. The company's core expertise lies in the research, development, and production of integrated solutions for three primary sectors: Automotive, 3C Industry (Computer, Communication, and Consumer Electronics), and New Energy. Their extensive product portfolio includes automotive metal structural components, heat exchange systems, seat frames, and power battery packs for new energy vehicles. Additionally, they provide high-precision sheet metal parts for communications equipment and office appliances. As a national high-tech enterprise, Lucky Harvest offers comprehensive contract manufacturing services, including trial production, synchronous engineering, welding, and mass production. The company is certified under IATF 16949, ISO 9001, and ISO 14001 standards, ensuring rigorous quality control for its global export operations. Their products are widely distributed across North America, Europe, and Asia, supported by a robust logistics network that handles significant international shipping volumes.

Header Cooling System Progressive Die Automatic Forming

Seat Pan Side Plate Auto Stamping Part High Strength Steel

Back Plate Auto Seat Stamping Part

New Energy Vehicle Middle Passage Guard Board Stamping Part Al Sheet EV

Auto Seat Pan Transfer Die Stamping Part

Water Tank Radiator Auto Cooling System Al High-Precision Stamping Part

Auto Seat Slide Progressive Die Stamping Part

Auto Seat Reinforcement Stamping Part High Strength Steel

Zhejiang Sanhua Intelligent Controls Co., Ltd.

🇨🇳 China

1994

More than 10000 people

Manufacturer/Trading Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

15611

Key customer

CONG TY TNHH SANHUA VIET NAM

Key market

North America

Review

4.8

For SANHUA SSV SERIES Brass Service Valve for HVAC Systems Cost-Efficient Refrigeration & Heat Exchange Parts$5

For SANHUA VPF Series Electronic Expansion Valve for Indoor Air Conditioners and Heat Pumps Refrigeration & Heat Exchange Part$188

SANHHUA CDB Series Superconductive Plate Food Grade Refrigeration & Heat Exchange Parts$999

JSL(T) Series Gas Wall Hanging Furnace Control Water Valve Assembly for Monitoring Heat Exchange Parts Refrigeration$999

High Efficiency YFQ Series Heat Exchange Part for Sanhua Metal Air Oil Separator for Refrigeration & Heat Pump Systems$110

For SANHUA DPF-TS/S Electronic Expansion Valve for Low Temperature Heat Pump Series Refrigeration & Heat Exchange Part$10

For SANHUA Patented Design Solenoid Coil MQ/PQ/FQ/SQ Series Essential for Refrigeration & Heat Exchange Parts$3

DDF(T/F) Series Electric Step Valve Energy-Saving Component for SANHUA DDF(T) Refrigerators Refrigeration Heat Exchange Parts$12

SHF Series Four-Way Reversing Valves Central Room Air Conditioners Brass Material for Heat Refrigeration Heat Exchange Parts$6

Factofactory for SANHUA Valve Original DPF-TS/S Series Electronic Expansion for HVAC Systems Refrigeration & Heat Exchange Parts$11

For SANHUA Factory Direct SEC Series Electronic Expansion Valve Controller Essential Air Refrigeration & Heat Exchange Parts$110

For SANHUA SSV Series Brass Valve SSV(S1)-A2GHX-51 for HCFC & HFC Refrigerants Refrigeration & Heat Exchange Parts$5

Anhui Jianghuai Automobile Group Corp., Ltd.

🇨🇳 China

1964

5001-10000 people

Manufacturer/Trading Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

214835

Key customer

ТОО САРЫАРКААВТОПРОМ

Key market

South America

Review

4.7

JAC OEM Genuine Parts BRAKE DISC for JAC Light Trucks/heavy Trucks$40

OEM GENUINE Hight Quality Front Brake Lining JAC Auto Parts$3.3

OEM GENUINE Hight Quality Vacuum Booster with in Series Brake Main Pump Unit JAC Auto Parts$60

OEM GENUINE Hight Quality Front Brake Wheel Cylinder (l) JAC Auto Parts$4.9

OEM GENUINE Hight Quality Power Steering Pump Belt JAC Auto Parts$5

OEM GENUINE Hight Quality Front Brake Cylinder(rear Right) JAC Auto Parts$4

JAC Genuine Parts High Quality EPB SWITCH ASSY, for JAC Passenger Vehicle, Part Code 3750250U1530A$12.01

JAC Genuine Part High Quality REA RIGHT BRAKE WHEEL CYLINDER ASSY, for JAC Light Duty Truck, Part Code HFC6700-3502090A$13.13

JAC Genuine Parts High Quality REAR LEAF SPRING FRONT PIN, for JAC Light Duty Truck, Part Code 2911033E0$1.69

Racing Steering Wheel Genuine Leather Universal Car Modification Competitive Body Part forJAC$47

OEM GENUINE Hight Quality Left Front Brake Wheel Cylinder JAC Auto Parts$4

Suzhou Anjie Technology Co., Ltd.

🇨🇳 China

1999

5001-10000 people

Manufacturer/Trading Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

5032

Key customer

FOXCONN HON HAI TECHNOLOGY INDIA MEGA DEVELOPMENT

Key market

North America

Description

Suzhou Anjie Technology Co., Ltd. (SZSE: 002635) is a leading publicly traded manufacturer and global supplier of precision functional devices, structural components, and module integration solutions. Founded in 1999 and headquartered in Suzhou, China, the company employs over 6,000 professionals and operates a vast international network with subsidiaries in the USA, Mexico, Thailand, and Vietnam. Anjie Technology specializes in high-tech materials and components for consumer electronics, new energy vehicles (NEVs), and information storage. Their extensive product portfolio includes laminated and flexible busbars, precision die-cut materials, CNC machined parts, metal injection molding (MIM), and hydrogen fuel cell components. The company is a critical partner for global industry leaders such as Tesla, Rivian, Apple, Huawei, and Microsoft. With ISO 9001 and ISO 14001 certifications, Anjie Technology maintains advanced R&D and manufacturing capabilities across multiple processes, including surface treatment, automated assembly, and the development of electronic chemicals for the semiconductor industry. Their solutions support a wide range of applications from smartphones and wearable devices to advanced battery modules and smart home systems.