The only place I've found to obtain Zaino is
http://www.zainostore.com/ and similar on-line venues. You could call Zaino Bros. and ask if they have any distributors in your area.
When you do get the products, I came across some
more helpful Zaino application tips recently which you might want to read.
I've got a '01 with the original two coats of Zaino still on it and doing great after 11K miles (but with no bad weather or winters); I'm just now thinking about putting on some more coats. The stuff is unbelievable...