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WANT Balance Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Pride Instrument Inc.
Zhengzhou Hepo International Trading Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Wincom Company Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.