Heilongjiang Jiahe humic acid is located in the famous production base of high quality coal, Hegang City in Heilongjiang Province, where the vast forests and grasslands gave birth to the high grade humic acid natural resources. Humic acid content more than 55% in which the yellow humic acid content more than 20% and organic matter content more than 70%. The company has the first-class production equipment and technical personnel. It can provide a variety of humic acid qua...