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Dongguan City Gaoxin Testing Equipment Co., Ltd.
Wincom Company Ltd.
Qingdao Hessway Machinery & Electric Equipment Co., Ltd.
Labmen Instrument Limited
Huanghua Guangming Instrument Co., Ltd.
Tangshan UMG Medical Insrument Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.