Qingdao Seawin Biotech Group Co., LTD

our seaweed fertilizer series products were developed from early 1990s by the experts from ocean university of china, which is the most professional university in marine science in china. in 2007, seawinner organic fertilizers were certified by imo, and seawinner was honored as preferred purchasing product and china famous brand in 2008. relying on our strong r&d ability, we have been keeping on developing new products to meet various demands from different market around the world. aside from the traditional seaweed species used for fertilizer: laminaria japonica, ascophyllum nodosum and sargassum, our r&d team also tests on new seaweed species with leading edge technology to optimize our products, and develop innovative fertilizing solutions for the world.