I'm interested in the following product:Diammonium phosphate (DAP 21-53-0)Molecular formula: (NH4)2HPO4 MONOAMMONIUM PHOSPHATE (MAP 12-61-0)Molecular formula: NH4H2PO4 Zinc Sulphate MonohydrateMolecular formula: ZnSO4H2O Magnesium sulfate heptahydrate Please check for those price FOB china if competitive I'll trail for 50 tons each on 15th January 2010,anyway if possible send me CIF Alexandrea Egype too.I want to know that price Please send me information of your factory, product and Quatation urgentlyall product for fertilizer gradeCertification Requirements: analysis certification of NPKCountry:Thailand