We take the pleasure to introduce our company. As one of china's leading enterprise industry design have been devoting ourselves technological development this. Our main service is desgn and build steel structure construct.Such as factory ...

Qingdao Tiancheng Chemicals Co., Ltd. is a professional chemicalscorporation which has partners all round Shandong, Tianjin, HenanProvinces. We are widely recognized exporter of chemical,biochemical,and medicine material etc. Our high quality ...