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