New Zealand looking for Bentonite Sulphur

We are looking for a supplier of bentonite sulphur and would order 50 tn immediately if the right price was agreed.
Brimstone 90 is imported by our largest fertiliser supplier in NZ with Tiger 90 second.
I would be interested in knowing the following details please. .
Price FOB or CIF to Auckland Port NZ . Time from order to FOB and delivery .
Full specification of product .
If any positive differences between your product and eg Brimstone 90 etc