Located in Tianjin Economic & Development Area,Tianjin zhongwei Pharmaceutical Co., Ltd. Is a state key industrialization demonstration project approved by National Development & Reform Committee, a project listed into “Torch Plan” by National Scientific&Technological Ministry in the year of 2002, a project liste into “Two High One Excellent Projects” by Economic & Trade Ministry, and one of state one hundred key export enterprises supported By National Commercial Affairs Ministry & Scientific & Technological Ministry. Vitamin B1 product produced by the company is an intellectual property right product with first place of output in the whole world & advanced manufacturing process, the annual output of VB1 has reached 1500 tons. The company is modern & world first-class enterprise.