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Donghai Yukang Quartz Material Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Taizhou Runlab Labware Manufacturing Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.
Sure Care Corporation
Kin Yu International Limited