... Mg, Mn, Zn etc. SHANDONG LVFENG FERTILIZER CO.,LTD. is established in 1999,and ... exporter of formular fertilizers(NPK), water soluble fertilizer, chemical fertilizer, humic acid fertilizer, slow-release fertilizer, ammonium sulphate, potassium sulphate,potassium chloride ... according to the demand of customers. Lvfeng Fertilizer Product List Product FormulationAppearanceORGANIC FERTILIZERSN.P.K. ...