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