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Shanghai Drawell Scientific Instrument Co., Ltd.
Tangshan UMG Medical Insrument Co., Ltd.
Ningbo Hi-Tech Park Bolin Technique Co., Ltd.
Wincom Company Ltd.
Labmen Instrument Limited
Dongguan Xin Bao Instrument Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Shenzhen Lianxin Testing Equipment Co., Ltd.
Dragon Abrasives Group Limited
Nanjing Kejie Analytical Instrument Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
Anhui Sada Trading Co., Ltd.