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