qingdao bz-oligo co., ltd is a high-tech enterprise which was established in may 2010 and has built good cooperation with the ocean university of china. the key technology led by famous marine pharmacologist guan huashi, named “the development and application of marine-based oligosaccharide preparation technology (for establishing the oligosaccharide bank) won the first prize of the china national award for technological invention in 2009. our cooperation in the field of marine oligosaccharides of biological material has filled the domestic gaps.