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WANT Balance Instrument Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Qingdao Tlead International Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Wincom Company Ltd.
Deson Electric Group Company Limited
Beijing Topsky Century Holding Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Fuzhou DIT Industry & Trade Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Labmen Instrument Limited
Dongguan Haida Equipment Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.