Tianjin Port BoneTianjin Port Bonded Area BTE Science and Technology Co. Ltd is a modern company with more than twenty years history .Our company is a collection of scientific research, manufacture and trade.The Company has a solid technology which is assured by many scientific research institutes including Tianjin Nankai University, Tianjin Chemical Research Institute, Northwest Nonferrous Metal Research Institute. Our company has advanced scientific research and the methods of prod...