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Nengshi Analytical Sensor Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Zhejiang Scientific Instruments & Materials Import & Export Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
Labmen Instrument Limited
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Ningbo Jinghai Machinery Co., Ltd.
Wincom Company Ltd.