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Wincom Company Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Zhejiang Tugong Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Xi'an LIB Environmental Simulation Industry
Dongguan Xin Bao Instrument Co., Ltd.
Dongguan City Gaoxin Testing Equipment Co., Ltd.
Shanghai Powoo Industry Co., Ltd.