Hangzhou Sejoy Electronics &. Instrument  Co., Ltd,  byla založena v roce 2002. Dnes máme s téměř  20letými zkušenostmi 4krát since 2017. As a main supplier of health care products in China, Sejoy has built a loyal reputation on quality, innovation, and service. Our innovative and technological excellence supports production of premium devices such as electronic and infrared thermometers, blood glucose meters, blood pressure monitors, mother and baby care, and other customer-designed home-care products.