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Dongguan Haida Equipment Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Pride Instrument Inc.
Shanghai Aucy Scientific Instrument Co., Ltd.