we are a manufactory in china majoy in blood collection tube,having many yeas` experience in this particular line of .business. Our factory--located in chine`s MEDICAL CITY?shijiazhuang in hebei province. Our main products includes no additive tube,pro-coagulation tube,gel&clot activator tube,glucose tube,PT tube,heparin tube,EDTA tube and ESR tube. High-quality products, lower price, self-export rights. we belive in that the cooperation between us will bring to you more profits. We are looking forward with interest to hearing from you