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