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Zhejiang Tugong Instrument Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Xinxiang Hengyu Machinery Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Dongguan Haida Equipment Co., Ltd.
Shenzhen Pride Instrument Inc.
WANT Balance Instrument Co., Ltd.
Shenzhen Keyto Fluid Control Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
TIME Group Inc.
Shanghai Drawell Scientific Instrument Co., Ltd.
Deson Electric Group Company Limited