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Shanghai Boqu Instrument Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Zhuhai City Deyuan Import & Export Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Nengshi Analytical Sensor Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Wincom Company Ltd.
WANT Balance Instrument Co., Ltd.
Fuzhou DIT Industry & Trade Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.