Profile: Secure Detect Co., Ltd. offers health testing products. Our test kits include pregnancy, ovulation, PSA, Elisa, blood glucose, hepatitis, sexually diseases, tumor maker, drug detection & alcohol test kits and machines. We offer a wide range of tests that are carefully evaluated and shown to produce reliable results. Our One Step HCG urine test is a rapid pregnancy test that can be easily carried out by anyone. It detects the presence of human chorionic gonadotropin which appears in urine very early during pregnancy. One Step Cassette Style anti-HBs test is a rapid direct binding test for the visual detection of antibodies to hepatitis B surface antigen in serum as an aid in the diagnosis of hepatitis B infection. It is based on the principle of sandwich immunoassay for determination of anti-HBs in serum. Purified recombinant antigens are employed to identify anti-HBs, specifically. This one step test is very sensitive and only takes about 10-20 minutes. Test results are read visually without requiring any instrument.