Qingdao BZ Oligo Biotech Co.,Ltd is the main manufacturer of Marine Oligosaccharide in China, and strong in Chitosan, Chitosan Oligosaccharide and Alginate Oligosaccharide.



We cooperate with the Ocean University of China and the main technology was invented by the China's famous marine pharmacologist Guan Huashi , which has reached international advanced level.



Our products have been widely used in many fields, such as pharmaceutical products, health food, functional feed,and ecological ...