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Xinxiang Hengyu Machinery Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Zhengzhou Nanbei Instrument Equipment Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Shenzhen Pride Instrument Inc.
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Movel Scientific Instrument Co., Ltd.
Wincom Company Ltd.
WANT Balance Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.