China FP Piston Rings Manufacturer Co., Ltd.
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Fujian Dongnan Piston Ring Manufacturing Co., Ltd
🇨🇳 China
2002501-1000 peopleManufacturerHigh capacity factory
Established brand
Low MOQ
Key customer
CATERPILLAR
Key market
Europe
Description
Fujian Dongnan Piston Ring Manufacturing Co., Ltd is a professional manufacturer based in Quanzhou, China, specializing in the research, development, production, and sales of high-quality piston rings. Established in 2000, the company employs between 501 and 1000 people and operates a factory larger than 100,000 square meters. They are a key component manufacturer for various industries, including automotive, construction machinery, and internal combustion engines. The company's extensive product portfolio includes over 500 specifications of piston rings, such as single section rings, oil rings, partial barrel rings, inside and outside check rings, and nose rings. These products are compatible with major engine brands like YANMAR, CAT, CUMMINS, ISUZU, KOMATSU, MITSUBISHI, HINO, DAEWOO, NISSAN, DEUTZ, MAN, and BENZ. Fujian Dongnan Piston Ring Manufacturing Co., Ltd is committed to quality, operating under the ISO/TS16949:2009 quality system and utilizing advanced manufacturing equipment, including various types of lathes, grinding machines, CNC machines, and electroplating centers. They also offer design services and have a strong export orientation, with 71-80% of their business dedicated to international markets.
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Changsha Zhengsheng Special Piston Ring Co., Ltd.
🇨🇳 China
1949501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
OEM manufacturer
Product customization
Key customer
B W
Key market
South America
Description
Changsha Zhengsheng Special Piston Ring Co., Ltd. is a leading Chinese manufacturer and trading company specializing in piston rings and piston ring castings, with a history spanning over 60 years. Established in 1949 and based in Changsha, China, the company operates a factory with 501 to 1000 employees and is recognized as China's first piston ring manufacturing company. They are a designated component supplier for the China Railway Ministry and China National Marine Cooperation, and a main supplier for most high-power diesel engine factories in China. The company introduced advanced technologies from German Goetz Company and British AE Company, ensuring product performance, material, and quality conform to international standards. They hold ISO 9001, QS-9000, and ISO17025 certifications, reflecting their commitment to quality control. Changsha Zhengsheng Special Piston Ring Co., Ltd. offers a comprehensive range of piston rings, including marine diesel, compressor, and engineering machinery piston rings, with various types such as plain, barrel face, keystone, taper faced, torsion, under cut, coil expander, oil control, and combined rings. They also provide piston ring castings made from diverse materials like cast iron, alloy cast iron, ductile cast iron, vermicular graphite cast iron, malleable iron, steel, and metal ceramic, with coatings including chrome plating, phosphate, copper, tin, ceramic chrome, and plasma sprayed. Their products are vital components for large bore engines (LBEs) in commercial ships, locomotives, power-generation plants, oil rigs, air compressors, and pile drivers. The company provides OEM and ODM services, designing and processing products according to customer requirements. They have a strong international presence, exporting to global markets across North America, South America, Europe, Asia, the Middle East, Africa, and Australia.
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