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