... urine test strip.professional manufacturer ISO13485&CE.rapid reagent test urine,ketone,protein,occult blood,MA,pH,urobilinogen Yercon diabetes urine test strip100pieces ... bottle tightly immediately. Do not touch the test strip reagent site, to avoid exposure to sunlight and ... , moisturized soil, saliva, urine, sweat...etc. The test strip color changes must be matched with the pH scale color ...