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Nengshi Analytical Sensor Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Shenzhen Security Electronic Equipment Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Deson Electric Group Company Limited
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Shenzhen Lite Technology Limited
Nanjing Kejie Analytical Instrument Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
HV Hipot Electric Co., Ltd.
Xi'an Tosilon Automation Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.