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Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Wincom Company Ltd.
WANT Balance Instrument Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
Movel Scientific Instrument Co., Ltd.