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Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Pride Instrument Inc.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Qingdao Tlead International Co., Ltd.