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Shanghai Drawell Scientific Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Wuxi JinyiBo Instrument Technology Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Zhengzhou Hepo International Trading Co., Ltd.
Wincom Company Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Shenzhen Pride Instrument Inc.
Zhejiang Tugong Instrument Co.,Ltd
Movel Scientific Instrument Co., Ltd.