Ko Yo Chemical (Group) Limited is a Hong Kong-based investment holding company principally engaged in the production and sales of chemical products and chemical fertilizers. Its main products include bulk blending (BB) fertilizers, compound fertilizers, urea, ammonia and methanol. Other products of the Company include sodium carbonate, ammonia chloride and ammonium hydrogen carbonate, among others. It mainly operates in China. The Company is also engaged in the exploration and exploitation of phosphorous mines, the manufacture and sales of engineering plastics and the development of chemical production technology through its subsidiaries.