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Shanghai Drawell Scientific Instrument Co., Ltd.
Shenzhen Pride Instrument Inc.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
Wincom Company Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
WANT Balance Instrument Co., Ltd.
Deson Electric Group Company Limited
Movel Scientific Instrument Co., Ltd.