Zhong Tang(Dalian)Materials Co.,ltd is located in Dalian,China,which is an important economic city in Northeast Asia. As a professional raw material supplier in China, in order to offer the best produce solution for our clients, after some years developing, we cut off some business divisions and focus on the business divisions, which we are strong on it. Now we mainly have two business divisions, minerals division and chemicals division. We would like to work hard together with our clients and ...