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