Tianjin Tongde Biological Technology Co., Ltd. is located at No. 39, Munan Road, conic villa area of Tianjin city.Our registered capital is 10 million RMB, we are specialized in manufacturing & marketing phosphorus chemicals and other chemicals.As a professional supplier of phosphorus fine chemicals, we have established close relationship with famous chemical enterprises at home and abroad. We mainly focus on the following products: diagnostic reagents, biology medical intermediate and other high-tech chemicals. We are dedicated to provide optimal, fast and economical services to our customers.