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Shandong Hongtai Science and Technology Co., Ltd.
Xinle City Hongyuan Carbon Black Sales Center
Jiangyin Entret Coating Technology Co., Ltd.
Handan Fubon Metal Technology Co., Ltd.
Dongguan XY Precision Tungsten Carbide Co., Ltd.
Tianjin Oubaige Metal Products Co., Ltd.
CNBM International Corporation
Zhuzhou Kingdon Industrial & Commercial Co., Ltd.
Huona (Shanghai) New Material Co., Ltd.