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