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Tianjin Zhongxin Chemtech Co., Ltd.
Xiamen Ditai Chemicals Co., Ltd.
Guangzhou Top Billion Trading Co., Ltd.
Hongkong Baijin International Trading Co., Ltd.
Guangzhou New Zhonglian Building Material Co., Ltd.
Jingjiang Trust Trading Co., Ltd.
Xinle City Hongyuan Carbon Black Sales Center
Hefei TNJ Chemical Industry Co., Ltd.