Wuhan Circle Star Auto Parts Co., Ltd (Hubei Shunjie Industry and Trade) is a factory integrates in R&D, design, manufacturing and sales, focusing on automotive brake solutions of car brake system components.
Suzhou Topu Engine Parts Co., Ltd., founded in 2009, is located in Suzhou, Jiangsu Province, only half an hour away from Shanghai. Topu is an industrial and trade-oriented company, devoted to the research, development, and production of engine valve, hydraulic valve lifters, timing system as well as offering other engine core parts, to create a comprehensive, one-stop procurement service.