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