Gemc Technology (Zhengzhou Gem Medic Electric & Technology Co., Ltd.) is a professional medical company dealing with all kinds of medical equipment and devices. Our main products are examinatorial & diagnostic test device, including pregnancy testers, ovulation testers, fecal occult blood testers, drug of abuse testers, infectious disease testers, saliva alcohol test kits, breath alcohol testers, vaginal speculums, clinical thermometers, sphygmomanometers, blood glucose testers, etc. We ...