Longkou DaChuan Piston Co., Ltd.

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Shandong Bohai Piston Group Co., Ltd.

🇨🇳 China

1951

2001-5000 people

Manufacturer/Distributor/Service Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Key customer

BYD AUTO

Key market

North America

Description

Shandong Bohai Piston Group Co., Ltd. is a leading Chinese manufacturer, distributor, and service provider of high-performance pistons and related components for internal combustion engines, based in Binzhou, China. Established in 1951, with piston production commencing in 1963, the company has grown to employ between 2,001 and 5,000 people, ranking among the top four globally in comprehensive capacity. They specialize in OEM services and hold ISO 9001 certification. Their extensive product range includes pistons with diameters from 30 mm to 350 mm, offering over 1,000 varieties for cars, marine, and engineering applications, alongside piston pins for both gasoline and diesel engines, Al alloy components, and compressor pistons. With an annual production capacity of 30 million pistons and 16 million piston pins, Shandong Bohai Piston Group Co., Ltd. is recognized as the largest and only specialized manufacturer in China producing such a wide array of pistons. The company maintains a strong domestic market presence with over 300 dealers, holding 35% of the comprehensive market share and over 60% of the high-end piston market in China. They export to North America, Europe, East Asia, and the Middle East, serving major customers such as FAW Group, Dongfeng Group, Cummins USA, Caterpillar, VW, and Volvo.

All kinds of Piston

Shandong Guanyi Automobile Fitting Co., Ltd

🇨🇳 China

1956

201-300 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

Own brand

Industry association member

Shipments

Key customer

MOTOCARE INDIA

Key market

Europe

Description

Shandong Guanyi Automobile Fitting Co., Ltd, a subsidiary of Guanyi Group, is a manufacturer and trading company based in Yantai, China, specializing in engine pistons. Established in 1956 as a state-owned company and later becoming part of Guanyi Group in 2011, the company operates a modern 50,000 m² factory with over 280 employees, 25% of whom are senior technicians. They focus on OEM services and possess over 900 process and testing facilities, including advanced CNC machinery. Shandong Guanyi Automobile Fitting Co., Ltd manufactures a comprehensive range of aluminum alloy pistons from 60mm to 300mm, including diesel motor pistons and pistons for marine, gasoline vehicles, generators, and air compressors. These products cater to over 50 different car series and more than 2000 vehicle types across European, American, Japanese, and Korean markets. They offer various piston process types such as steel, iron casted, low-pressure casting, aluminum alloy forged, insert, cooling oil gallery, special pinhole shape, and bushing, with finishes like tin coated, phosphate, graphite coating, and anodized. The company is IATF 16949 certified and exports to top markets including Germany, Japan, Korea, Turkey, and England, serving both domestic and international mainframe factories. Their annual output value exceeds US$100 Million, with a previous year's output of 2,000,000 piston sets.