Genscript Biotech Corporation is a Hong Kong-based investment holding company principally engaged in life science research and related businesses. The Company operates through four segments. Life Sciences Research Services segment includes gene and peptide synthesis, deoxyribonucleic acid (DNA) and primer synthesis, DNA sequencing, customized antibody production, protein expression and the production of stable cell lines. Preclinical Drug Development Services segment includes protein and antibody engineering, the study of in vitro drug and the study of in vivo drug. Life Sciences Research Catalog Products segment provides antibodies, recombinant proteins, equipment for protein isolation and analysis, molecular biology reagents, peptide, biochemicals and stable cell lines. Industrial Synthetic Biology Products segment is engaged in the development and production of industrial enzymes.