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Shandong Dongrun Instrument Science and Technology Co., Ltd.
HV Hipot Electric Co., Ltd.
Ningbo Jinghai Machinery Co., Ltd.
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Qingdao Tlead International Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Wincom Company Ltd.
WANT Balance Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Handsome Technology Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Zhuhai City Deyuan Import & Export Co., Ltd.