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Tangshan UMG Medical Insrument Co., Ltd.
Dongguan Xin Bao Instrument Co., Ltd.
Zhejiang Tugong Instrument Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
Wincom Company Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Ningbo Hi-Tech Park Bolin Technique Co., Ltd.
Qingdao Hessway Machinery & Electric Equipment Co., Ltd.
Shenzhen Lianxin Testing Equipment Co., Ltd.