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Anhui Sada Trading Co., Ltd.
Tangshan UMG Medical Insrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Liaoyang Korican Machinery Co., Ltd.
Shenzhen Lianxin Testing Equipment Co., Ltd.
Synotherm Ltd.
Labmen Instrument Limited