Special profiled mold structure design and .... reduce noise, buffer, resistance pressure and so on.Zhejiang Shangyu Oil Seal Co., Ltd is a leading China motor oil seal manufacturer and supplier, our....
Zhejiang Shangyu Oil Seal Co., Ltd ( PQK Oilseal Co., Ltd) , firstly established in 1969, is one of the largest companies combining research, development and production, which specializes in the....
The widespread application in each kind of model .... and the material quality according to the visitor.Zhejiang Shangyu Oil Seal Co., Ltd is a leading China silicone oil seal manufacturer and....