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