Dalian Walker Gillet Automobile Muffler Co., Ltd. (DWMC)was established in May of 1996.It is a sino-American joint venture with automobile exhaust systems as its core products. The American partner-Tenneco Automotive is one of the largest manufacturers of automobile exhaust systems, shock absorbers and related parts. Walker, the subsidiary of Tenneco, established in 1888,is one of the main market leaders in designing and producing automobile exhaust systems and related parts in the world. The main products of Walker are mufflers, converters, manifolds and other parts for exhaust systems. In addition, Walker can also supply high-quality mufflers with electronic technology. In 1994,Tenneco successfully acquired Heinrich Gillet GmbH, and became one of the largest exhaust system manufacturers in the world. The Chinese partner-Jinzhou Auto Parts General Factory has been in exhaust system business for more than 20 years and its production capacity is among the best within China.