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