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Wincom Company Ltd.
Shenzhen Pride Instrument Inc.
Zhengzhou Dayang Briquette Machinery Co.,Ltd
Movel Scientific Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Zhengzhou Nanbei Instrument Equipment Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.