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Nanjing Kejie Analytical Instrument Co., Ltd.
Dongguan Xin Bao Instrument Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
Shenzhen Lianxin Testing Equipment Co., Ltd.
Zhengzhou CY Scientific Instrument Co., Ltd.
Tangshan UMG Medical Insrument Co., Ltd.
Xi'an LIB Environmental Simulation Industry
Wincom Company Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.