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