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Xinle City Hongyuan Carbon Black Sales Center
Dalian Chem Imp.& Exp. Group Co., Ltd.
Jining Xunda Pipe Coating Materials Co., Ltd.
Xiamen Prodrill Equipment Co., Ltd.
Zouping Boyi Chemical Industry Co., Ltd.
Kolortek Co., Ltd.
Tianjin Zhongxin Chemtech Co., Ltd.