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