Our product is based on the theory of enzyme interaction. It is used to detect the HCG atom in urine speciment. The colour change could identify the test result directly. Assisting with the result,doctor could judge whether the patient is pregnant or not. 2.5mm, 200 strips/pouch, 10,000strip /case ,27kg 3.0mm, 50 kits/ pouch, 2,000 kits/case, 27kg 4.0mm, 150 cards/pouch, 2,500 cards/case, 25kg 5.0mm 10000strips/case 2000kits/case 2500cards/case.