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Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Shenzhen Handsome Technology Co., Ltd.
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
Shanghai Boqu Instrument Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Wincom Company Ltd.