Company profile Tianjin Leju Tech-Pharm Co., Ltd. is located in Tianjin, Wuqing Development Zone, is a professional engaged in raw materials, impurities control, catalyst and fine chemicals related research and development of innovative and trading companies. The company relies on the good atmosphere of innovation in the industry development zone, the mission of their own R & D team and enterprise based on the efficient development and private custom features to build enterprise private ...