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Hebei Eminent Chemical Technology Co., Ltd.
Hongkong Baijin International Trading Co., Ltd.
Zhongshan H. R. T. Precision Steel Ball Co., Ltd.
Hunan Top Oxy-Hydrogen Generator Co., Ltd.
Nicety (San Ming) Energy Technology Co., Ltd.
Lanzhou Qianmiaonuo Trading Co., Ltd.
Henan Zhengzhou Mining Machinery Co., Ltd.
Xiamen Ditai Chemicals Co., Ltd.
Zibo Qingxin Chemicals Co., Ltd.
Ningbo Yinzhou Nord Machinery Co., Ltd.
Beijing HOT Mining Tech Co., Ltd.
Jiangyin Entret Coating Technology Co., Ltd.