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Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
TIME Group Inc.
WANT Balance Instrument Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Shenzhen Pride Instrument Inc.
Deson Electric Group Company Limited
Wincom Company Ltd.
Qingdao Tlead International Co., Ltd.