Piston Rings
Zhejiang Huadong Piston Ring Co., Ltd., established in 1997 in Wenzhou, China, is specialized in manufacturing piston rings used in different automobiles, gasoline engines, construction machinery and air compressors. The company has passed ISO9001 international quality system and ISO/TS16949 quality system in order to improve its quality management.
As a leading manufacturer in piston ring industry in China, the company has developed more than 2000 models of piston ring of over 5000 sizes. It has also brought in advanced equipment to produce high alloy cast iron / steel ring / steel band compound oil ring / I steel small hole oil ring / big hole oil ring. The company can also do surface finishing like chrome / tin / composite coating / gas nitriding / salt bath nitriding / PVD /molly and other advanced coatings. The piston rings have been exported to Europe, America, South America, the Middle East, Southeast Asia and Africa etc.
