United International Auto Systems (Hangzhou) Ltd. (UNI-ASCO) Formerly SHUNTONG AUTO SYSTEMS (HOLDINGS) CO., LTD. ] is a international manufacturing & trade group which organized by 4 fully shared and several relative famous auto parts manufacturer. Since established from the year 1994, the group located at the center of China's most advanced auto parts manufacturing area-Hangzhou Zhejiang Province, and close to China's biggest transportation port group, Shanghai and Ningbo. With perfect management system, advanced production facilities, stable sales network, experienced staff and powerful ability of highly technical development, we always try our best to trace with the top level of the world. Now our products sells well since 1996 at the market including Europe, North America, Asia, Africa and Pacific Region etc., for OEM supply and after market service besides as an OEM supplier to key auto works in China, and successfully certified with TS/16949 & ISO2001-2000 quality system at early of 2004.