Dear Sir/Madam I am Ai Khiem (Hoang Sa corp), we are looking for a main supplier for NPK compound fertilizer from EU, America, We have demand from some formulas: 15- 15 - 15, 16 - 16 - 8 and 20-10-10. Do you produce these formulas? If you have not produced them, please calculate the cost and the minimum quantity to process Or please give us your nearest standard formulas with our ones. We are looking forward to receiving your reply. Thanks and regards Ai Khiem +84908448862 Show More