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