I-Brief introduction: 1.1-Type: Chongqing Technology and Business University S&T Developing Limited, which is one University based and State-Owned Government company since from the year 1990 (at the beginning of year 1980, we're one R&D center of our own University). Main business is Manufacture and Service area. 1.2-Legal representative: Professor Zhang, who is the vice-director of the National Separating Mechanism Standardization Technical Committees in China. 1.3-Certificates & ...