Our company---core technology co., ltd. Has our own factory in beijing. And we specializes in r&d, manufacturing, distribution and technical service of the medical diagnostic products. We have competitive price for you. Description model no. Specification specimen sensivity packing carton dimension weight muni qty (pcs) Hbsagone step ultra hepatitis b surface antigen test b11-11 3.0mm strip serum/plasma 5ng/ml 50t/box, 5000t/ctn 60*43.5*30cm 13.5kg 5000 Hbsagone step ultra hepatitis b surface antigen test b11-20 cassette serum/plasma 5ng/ml 25t/box, 1500t/ctn 62*41*37cm 12.5kg 5000 Hbsagone step ultra hepatitis b surface antigen test b11-21 cassette whole blood. 25t/box, 1500t/ctn