Chemyuan International Trade Co.,Limited is located in Tianjin,China,which is near to Xingang port. We specialize in the chemical import and export business. Our buying products are Sulphur, Naphthalene and other chemicals. Selling products are dye intermediates, concrete addtives,such as Beta Naphthol, Tobias Acid, Sodium Lignosulphonate, Calcium Lignosulphonate, Sulphonated Naphthalene Formaldehyde Condensate.