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