Profile: Bio S&T provides products, services and solutions in genomic research. We offer cDNA and DNA libraries like lambda cDNA/genomic, plasmid cDNA/genomic, normalized cDNA, gene synthesis, mutagenesis, DNA sequencing, individual sequencing, PCR products, EST clones, whole genome and APAgene GOLD walking kits, and retroviral products. We offer services such as customized BAC library construction, plasmid library construction, lambda library construction, site-directed mutagenesis, large-construct DNA engineering and peptide synthesis.