Qingdao Blue Treasure Seaweed Biotech. Co., Ltd is high-tech enterprise located in the new west coast of Qingdao,China. Our team has been engaged in seaweed fertilizer production over 15 years. We have perfect research and development lab, world-class production facilities.At present, Our main organic fertilizer lines include seaweed extract, fish protein, Chitosan Oligosaccharide, seaweed foliar fertilizer and seaweed functional fertilizer, which have been widely used in agricultural cultivation and animal husbandry industries. And the seaweed extract Fertilizer have been passed the OMRI certification and the Reach certification.

All Nitrogen Fertilizer(4)  Fertilizer Additive(5)  Biostimulant(5)  Plant Growth Regulator(6)  Soil Conditioner(4)  Fertilizer & Pesticide Mixture(1)  Microbial fertilizer(3)  Potash Fertilizer(3)  Phosphate Fertilizer(1)  Calcium Fertilizer(5)  Organic Fertilizer(12)  Water Soluble Fertilizer(12)  Seaweed Fertilizer(7)  Humic Acid Fertilizer(4)  Amino Acid fertilizer(4)