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