... 1966 in yichang city, is the biggest manufacturer and exporter of washers and pins in mid-china.,such as spring lock ... ,the biggest national automobile group in china,took up 40% of all its selling in 2009.In 2010,their aim annual ... must be controlled at a good condition. Since 2006,instead of the ISO9001, it has certificated the ISO/TS 16949 SYSTERM ...