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Tianjin Humanda Technology Development Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Yancheng Huisheng Medical Instrument Factory
Taizhou Runlab Labware Manufacturing Co., Ltd.
Changzhou Operson Imp. and Exp. Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.