19512001-5000 peopleManufacturer/Distributor/Service Company
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.
OEM manufacturerOffers OEM services for customized brand manufacturing.
High capacity factoryCan handle large-scale or bulk production orders.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
Established brandFounded in 1951, with over 20 years of industry experience.
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Products
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All kinds of Piston
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BYD AUTO
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Certifications
ISO 9001
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International Organization for Standardization 9001
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Key export market
North AmericaNorth America
EuropeEurope
AsiaAsia
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Established brand
OEM manufacturer
Own brand
Industry association member
Shipments
41
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.
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Hongkong Boqiang Group Co., Ltd, established in 2009, is a manufacturer and trading company based in Zhangzhou, China, specializing in engine components. With 11 to 50 employees, the company primarily focuses on the production and trade of various piston rings. These piston rings are designed for replacement in diesel engines of Japanese and European cars, as well as heavy construction machinery. Their product range includes piston rings compatible with brands such as CUMMINS, CAT, Komatsu, HINO, Nissan, ISUZU, MITSUBISHI, Benz, and YHUNDAI. The company operates a factory and serves a diverse customer base including Nissan, Mazda, Hino, Kia, MercedesBenz, Volvo Scania, HOWO, Citroen, Peugeot, VW, Renault, John Deere, Komastu, Caterpillar, Kubota, Hitachi, Shinko, Hyundai, and Daewoo.