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Shanghai Drawell Scientific Instrument Co., Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.
Huanghua Guangming Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Wincom Company Ltd.
Qingdao Hessway Machinery & Electric Equipment Co., Ltd.
Dongguan Xin Bao Instrument Co., Ltd.
Shanghai Powoo Industry Co., Ltd.
Zhejiang Tugong Instrument Co., Ltd.
Ningbo Hi-Tech Park Bolin Technique Co., Ltd.
Xi'an LIB Environmental Simulation Industry
Jiangsu Tianyuan Experiment Equipment Co., Ltd.