Seaweed Fertilizer series products were explored by the experts and professors from China Ocean University, and have reached the international advanced level. The traditional Seaweed species of Seaweed Fertilizer include Laminaria Japonica, Ascophyllum Nodosum and Sargassum. Seaweed extract fertilizer is a new & high-tech, organic, high effect and nature product, which are suitable to crops, vegetable, flower, fruit and etc. The application of Seaweed extract fertilizer will promote the crops growth, meliorate soil and protect the environment. There are increasing demands in domestic and international markets. Social benefit and economic benefit is notable. The development foreground is capacious. Seaweed Extract Fertilizer includes the follows: Alga21ST High Potassium (Seaweed Extract Powder with high Potassium) Alga-2008-I (Seaweed Extract Liquid) Seaweed Extract Liquid Plus Seaweed Functional Compound Liquid Green Seaweed Extract Liquid Seaweed Amino Seaweed Compound Fertilizer Granular Seawinner Concentrated Mushy Fertilizer Seawinner 818 Bio-RootPromoter Seawinner Foliar Fertilizer Seawinner Microbial Fertilizer