Lingshi Linhai Humic Acid Plant was established in 2003 with the approval of Jinzhong Administration for Industry and Commerce of Shanxi Province. It is a well-known humic acid enterprise integrating R&D, production, marketing and service. The factory covers an area of more than 10,000 square meters. It is located in the raw material base for storing humic acid in the whole country and Lingshi County, Jinzhong City, Shanxi Province, where Wangjiayuan is known as "the first residence of Chines...