SHANDONG LVFENG FERTILIZER CO.,LTD. is established in 1999,and located in ZIBO CITY, SHANDONG; specialized in manufacturing of N.P.K. compound fertilizers with brand-- ZINONG.Release Fertilizer, Ammonium Sulphate, Potassium Sulphate, Potassium Chloride, is a manufacturer & exporter of formular fertilizers(NPK), water soluble fertilizer, chemical fertilizer, humic acid fertilizer, slow-release fertilizer, ammonium sulphate, potassium sulphate,potassium chloride, etc... We also could produce different grades of NPK compound fertilizers (in granular, soluble powder and liquid forms) according to the demand of customers.