Potassium Chloride

I want to import 1000 - 2000 metric tons of potassium chloride 98%min and with the following specifications:

K2O 60%min
Moisture 2.0%max
Water-insoluble 0.1%max
NaCl 1.2%max
Ca 0.2%max
Mg 0.2%max

Shipping Terms : FOB
Destination Port : Auckland, New Zealand
Payment Terms : L/C