Buy Offer - Potassium Chloride

we are looking for potassium chloride to be shipped to kelang, malaysia of the following specifications:

purity - 98%
k20 - 60% - 62%
colour - white
iron - 200 ppm (parts per million)
sodium chloride - 1%
matter insoluable in water - 0.2% - 0.5%
sulphates - nil
calcium - 0.2%
magnesium - 0.05%
moisture by wet - 2% maximum

our client will bear the freight, insurance and other charges. the requirment in 5 to 6 number of 20 feet containers on a daily basis.