Tongdeweiye (Tianjin) Chemicals Co.,Ltd is a professional Manufacturer. Our main products series include Caustic Soda,rubber carbon black,sodium hydroxide,soda ash,pigment carbon black,Carbon Black N330. Most of our products have obtained International Approvals like ISO9001 etc. With the advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with the high quality and best design.Main Export Markets:North America, Western Europe, Eastern Europe, South America, Southeast Asia, Eastern Asia, Mid East, Oceania, Africa.