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Tianjin Humanda Technology Development Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shanxi Midas Industrial Co., Ltd.
Changzhou Operson Imp. and Exp. Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Taizhou Runlab Labware Manufacturing Co., Ltd.
Kin Yu International Limited