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Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Shenzhen Lite Technology Limited
Nengshi Analytical Sensor Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Shenzhen Security Electronic Equipment Co., Ltd.
Labmen Instrument Limited
Wincom Company Ltd.
Qingdao Tlead International Co., Ltd.
Deson Electric Group Company Limited
HV Hipot Electric Co., Ltd.
WANT Balance Instrument Co., Ltd.