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Beijing Topsky Century Holding Co., Ltd.
WANT Balance Instrument Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Shenzhen Handsome Technology Co., Ltd.
Qingdao Tlead International Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Dongguan Haida Equipment Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Nanjing Kejie Analytical Instrument Co., Ltd.
Hangzhou Lohand Biological Co., Ltd.
Shanghai Boqu Instrument Co., Ltd.