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Huanghua Guangming Instrument Co., Ltd.
Tangshan UMG Medical Insrument Co., Ltd.
Liaoyang Korican Machinery Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.
Labmen Instrument Limited
Anhui Sada Trading Co., Ltd.