We (Beijing Wantai Bio-pharm) are the No.1 Manufacturer of in vitro diagnostic reagents in China. We have Certificate of GMP and Free Slaes Certificate (FSC) issued by SDA China. Our newly-developed double antigen sandwich anti-HIV(1+2) EIA  and anti-HTLV(1+2) EIA is the best in China and can match the best in the world, with sensitivity more than 98%,used in the blood bank and diagnostic testing. Every test is controlled and quality-assurance labeled by NICPBP(National Institute for the Control of Pharmaceutical and Biological Products,People?s Republic of China). Other Elisa and one step tests are also available. For more information,please feel free to contact us at [email protected] or fax at 0086-10-64272076. For printed matters,please e-mail us your postal address. As soon as we receive your request,we will send you our catalogue and price list.