1, Shanghai Lai Shi: The main products of Shanghai Lai Shi include human serum albumin, intravenous immunoglobulin, specific immunoglobulin and coagulation factor products. It is one of the largest manufacturers of blood products in China at present.
2. Hualan Bio: Hualan Bio is the first GMP-certified blood product enterprise in China, which can separate and extract 1 1 variety and 34 specifications of human albumin from plasma. The company's production scale, varieties and specifications, market coverage and the production and sales of leading products rank among the top in the same industry in China.
3. Tiantan Biology: Tiantan Biology is one of the earliest enterprises engaged in industrialized production of blood products in China. At present, there are three categories 14 varieties of human albumin, human immunoglobulin and human coagulation factor, and 72 production numbers of blood products. By the end of June 2022, the company had 82 apheresis plasma stations, of which 58 were in operation.
Shelf life of human immunoglobulin
Immunoglobulin is valid for 22 to 25 days. Tetanus immunoglobulin is extracted from human blood products, so there is no need to do sensitivity test and there are few allergic reactions. If you are injured again within the validity period, you don't need to inject again. For example, if you get injured again ten days after injecting tetanus immunoglobulin, you don't need to inject tetanus antitoxin or tetanus immunoglobulin again.