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Donghai Yukang Quartz Material Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Xilong Scientific Co., Ltd.
Sure Care Corporation
Anhui Welcome Foreign Trade Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Melson Medical Corporation Limited
Taizhou Runlab Labware Manufacturing Co., Ltd.