Chongqing Shipbuilding Trading Co., Ltd. (CSTC), approved by the Ministry of China Foreign Economic & Technological Cooperation, is a sub-branch affiliated to and completely funded Industry Corporation. Our main business domestic foreign trade all kinds commodities including ships ...

Our company is a premiere optical system designing team supplying solutions for high- tech instruments in lab & education field science and research work. We have group of passionate engineers optical, electrical, mechanical computer engineering fields. Supported by our cooperating ...