Fujian Dongya Machinery Co., Ltd
Established in 1988, Fujian Dongya Machinery Co., Ltd was professional manufacture in producing piston ring. It manufactures for micro-vehicles, motorcycles, three&four wheelers and grass cutters etc., which cylinder diameter below 100mm. The surface-treated for piston rings are divided 3 classes: -1.Chrome-coated, Nitrided and CID (large supply) -2.CIP -3.PVD (trial successful, and under push). Annual output:3 billion pcs/year.Day output: TOP 160000pcs/Second 150000pcs/Oil Ring 140000pcs. We supply for OEM and servicing markets. Pls visit www.dongya.cn for more details.