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Qingdao Blue Treasure Seaweed Biotech. Co., Ltd. was established in 2010. As a high-tech enterprise, we have been engaged in seaweed fertilizer for many years, with the most species of marine biostimulants products until now. Our seaweed extract and fish protein have been certified by OMRI and REACH.

We have been focusing on the field of marine biology for more than ten years,  focusing on the utilization and development of low-value marine biological resources. Using a number of leading technologies such as low-temperature wall breaking, double enzymatic hydrolysis, and enzyme-enzyme coupling, we have developed a series of products such as seaweed extract,seaweed polysaccharide, alginate oligosaccharide, fish/shrimp protein,chitosan oligosaccharide, seaweed granule and seaweed functional fertilizer. The products are widely used in agriculture.