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