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Donghai Yukang Quartz Material Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Jinjiang Jiaxing Group Co., Ltd.
Changzhou Operson Imp. and Exp. Co., Ltd.
Chance Door International Co., Ltd.
Taizhou Runlab Labware Manufacturing Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.