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Tangshan UMG Medical Insrument Co., Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
Synotherm Ltd.
Liaoyang Korican Machinery Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Shenzhen Lianxin Testing Equipment Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.