Grandwon Corp, formerly known as IHO-Agro International Inc is engaged in the marketing and distribution of all natural mineral based fertilizers. The company's products include IHO - Agro Mineral and IHO-Bio. IHO-Agro Mineral is a fertilizer consisting of mineral extracts from various salts, including sea salt, found naturally on the surface of the Earth; and IHO-Bio is a fertilizer consisting of a mixture of mineral extracts from various salts, including sea salt, as well as various plant extracts, including seaweed. It contains all the micronutrients present in HO-Agro Mineral, plus plant extracts rich in amino acids, vitamins, and natural plant hormones. Business activity of the firm is primarily functioned through the region of US and derives revenue from sales of fertilizer product.