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Shanghai Boqu Instrument Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
WANT Balance Instrument Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Qingdao Tlead International Co., Ltd.
Wincom Company Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.