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Beijing Bctrading Science and Technology Co., Ltd.
Hebei Xukang Meter Manufacturing Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Labmen Instrument Limited
Rigchina Group Company
Weifang Greatland Machinery Co., Ltd.
Shanghai Cixi Instrument Co., Ltd.
Zhangjiagang Chuangpu Machinery Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.