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