we are the leading manufacturer of fertilizer machine and fertilizer production line of organic fertilizer and compound fertilizer -Zhengzhou Huaqiang Heavy Industry . we provide the 30kt to 80kt organic and compound, inorganic fertilizer production line with low cost and high-quality, large yields. we have the professional engineer and specific workers and the strong technical strength, high-quality staff, CAD design center.Professional maintenance services team, adequate inventory of...