E1 hnyav tuaj yeem siv tau raws li tus qauv siv hauv kev ntsuas lwm qhov hnyav ntawm E2, F1, F2 thiab lwm yam, thiab tsim nyog rau kev ntsuas qhov ntsuas qhov ntsuas siab thiab qhov siab-precision toploading balances.Kuj Calibration rau ntsuas ntsuas, ntsuas lossis lwm yam khoom hnyav los ntawm Laboratories, Pharmaceutical Factories, Scales Factories, thiab lwm yam