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