Cold precipitation can't be bought or sold. Because of cold precipitation. Cold precipitate (cold precipitate) means that plasma cold precipitate contains factor VIII and fibrinogen, which can be used to treat bleeding or hemophilia patients lacking factor VIII and fibrinogen. Completed within 6 hours after melting, the transportation speed is not low, and the rainwater is 200 ml/h, which is suitable for children and adults with mild hemophilia A, von Willebrand, congenital or acquired fibrinogen deficiency and factor VIII deficiency. Sometimes cryoprecipitate is also used as an alternative treatment for postoperative bleeding, severe trauma and DIC patients. Each bag of cryoprecipitate is made of 400ml whole blood, with a volume of 25ml 5ml/ and 5 ml/bag, and mainly contains factors VIII ≥ 80IU, fibrinogen ≥ 150mg, von Willebrand factor, fibronectin, coagulation factor ⅹ III, etc. Blood products such as plasma are supplied by local central blood stations, so you can only contact blood stations through hospitals and cannot buy or sell them.