Hefei TNJ Chemical Industry Co., Ltd. is a medium-sized chemical corporation specialized in the manufacturing and sales of fine chemical materials. Since its founding in 2001 and Guided by the principle of high quality, high reputation, and high technology, we have been sticking to provide the best service and high quality product to our customers. Every year we would invest a lot to the development of high technology and new products. Up to now most of our products have been exported to EU, US ...