measuring gauges, COD analysis instruments and CASS test Equipments. We had got ISO/TS16949:2002 certification on Jan,2005. In order to promise the whole production process including Design, develop, produce and after sale service , we had establish the MRPII, ERP system and PPAP , FMEA,SPC, MAS tools. With the concepof cience for guidance, quality for guarantee, prestige for key-ponit?and the principle of aking every effort for technical innovation, superb quality, honouring contracts promises and customers' satisfaction, we win over the good popularity in Chinese domestic market. Today, our company acts as a designated subcontracted supplier for several ten prestigious enterprises, such as Chang'an (Group) Co.,Ltd., Chang'an Suzuki Auto Co.,Ltd.,Changsha Toyota Auto Building Co.,Ltd.of Hunan Province, Qingling Auto Co.,Ltd.and China Putian Orient Telecom Co.,Ltd.,etc. What's more, it has set up representative offices in the west regions of the nation (Chonqing, Changsha).