Qingdao Blue Treasure Seaweed Biotech.Co.,Ltd is professional manufacturer of seaweed extract fertilizer, seaweed polysaccharide, enzymolysis seaweed, alginate oligosaccharide, fish protein, Chitosan oligosaccharide and other organic liquid fertilizer in Qingdao China for 15 years. And seaweed extract is listed by OMRI and REACH certificate. Meanwhile fish protein also is listed by OMRI. Our aim is to offer the safe ,organic ,and high yield fertilizer to agriculture. From the raw material, the production process, the production technology and the last product, we are strict to control every step. Our multi-ply Enzymatic hydrolysis technique has been ahead of the whole organic fertilizer industry. We are very happy and open to communicate with you. Welcome to visit our factory !

We will do what we can to contribute to the World’s Marine Biostimulants!