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