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Nanjing Kejie Analytical Instrument Co., Ltd.
Dongguan Xin Bao Instrument Co., Ltd.
Huanghua Guangming Instrument 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.