Please best quote to HAI PHONG PORT-Vietnam We're interested in importying ZINC ORE   Please give me maximum quantity you can supply. We're direct importer in Vietnam. We use up 200-500mt per month. First, we want to import 20-100mt for first order, then, we make a long contract for it. We accept L/ C at sight. Please, send us the specification, payment term, (CIF HAI PHONG port, Hai Phong city, Vietnam) and offer your best price. We would like to know the origin of this product, from which were they taken off.