dear sir. we have demand for 2000 mt of MOP CIF Vietnam. spec: K2O: 60%MIN. KCL:97%MIN. MOISTURE: 0.5-1.0% 5000mt sulphate of potash (sop)\ k2o: 50%min granular and powder PAYMENT : LC AT SIGHT. SGS REPORT BY EXPORTER SHIPMENT 12 months starting July. please provide your quotation.