Tong Hua Shuang Long Chemical Industry Co., LTD. is principally engaged in the manufacture, production, distribution, import and export trading of fine chemical products. The Company operates its businesses primarily in the manufacture and distribution of high dispersive white carbon black series products. Its white carbon black products include TMG type, T150 type, flatting agent series, TB-2 type, dewatering series, TM type, TY type, 36-5 type, general type, special 36-5 type, T20 type, shiwang type and GT40 type, among others. The Company distributes its products under the brand name of Xuezhu. The Company distributes its white carbon black products mainly within domestic markets, with Southern China and Easterns China as its major markets.