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