Guizhou is considered the world largest base of Phosphorus , Humic acid and Barium,Guizhou Viton Minerals Development Co.,Ltd was founded in 2003 in Guiyang City, Guizhou Province, we develop Phosphorus Chemicals series;Humic acid series;Amino Acid;Barite with our own ore mountains around the contry side of Huangping,Xifeng,and Kaiyang.So we have our own price and quality advantages.We runs as the standard of ISO9001:2000,and built the relationship with more than20 countries,serve for the society and sincerity is our responsibility.