Antibody based reagents have been used in a very broad range of applications-from in vivo diagnostics to clinical therapy, from proteomics, microarray analysis to food safety.Beijing Protein Innovation Co., Ltd (BPI), is a biotechcompany providing protein-related products and services.We have many monoclonal/polyclonal antibody products for imminohistochemistry-based cancer detection, genetically modified organism (GMO) screening, and scientific researches.Different strategies for antibody development have been taken to improve the efficiency and quality of antibody production.Now we have built a powerful antibody developing platform, including antigen choice/design,antibody screening/identification, and affinity maturation based on molecular evolution.