Hangzhou Sejoy Electronics &. Instrument  Co., Ltd,  idakhazikitsidwa mu 2002. Masiku ano tili ndi  pafupifupi 20, ndipo zotuluka zathu zidafika pa 250 miliyoni USD mu 2020. Kuwonjezeka ndi  kanayi kuyambira  2017. Monga wothandizira wamkulu waumoyo. zosamalira ku China, Sejoy wapanga mbiri yodalirika pazabwino, luso, ndi ntchito. Ubwino wathu waukadaulo komanso waukadaulo umathandizira kupanga zida zamtengo wapatali monga ma thermometer amagetsi ndi ma infrared, ma glucometer amagazi, zowunikira kuthamanga kwa magazi, chisamaliro cha amayi ndi makanda, ndi zinthu zina zopangira makasitomala zosamalira kunyumba.