Liansheng(China) Piston Ring Co.,Ltd.
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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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Jiangxi Quansheng Auto Parts Co.
🇨🇳 China
200711-50 peopleManufacturerOEM manufacturer
Description
Jiangxi Quansheng Auto Parts Co. is a manufacturer of automotive components based in Nanchang, China, with a factory located in Zhejiang. Established in 2007, the company specializes in producing gasoline and diesel piston rings for automobiles and motorcycles. With a workforce of 11 to 50 employees, Jiangxi Quansheng Auto Parts Co. boasts a production capacity of up to 10 million piston rings annually, utilizing advanced equipment and progressive detecting instruments. Their product range includes various auto parts and accessories, with a strong focus on piston rings.
Pistion Ring
