Dongsheng Biotech was estabilshed in 2005. The company focused on R&D and producing fundamental melocular biology reagents. In the past 4 years, DSB has successfully grown up from a start-up to a professional profitable organization. It has been the leader the production and supply of nucleic subtances for the life science industry. Our markers take up the main market share of urinalysis in China and enjoys wonderful repution in the field.