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