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Shenzhen Pride Instrument Inc.
Nanjing Kejie Analytical Instrument Co., Ltd.
Dongguan Haida Equipment Co., Ltd.
Wincom Company Ltd.
Movel Scientific Instrument Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
WANT Balance Instrument Co., Ltd.
Zhejiang Scientific Instruments & Materials Import & Export Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.