Optitec-mainz Ltd is a, H&A Material Group Co., an international direct provider and mandate of the most famos world factories in different fields like Natural Minerals and Ores, Chemical and Petrochemical Products, Metal Business, Fuel refineries business, and other commodities. We have many different companies in the world which consists in our Group. Our target is to provide our customers with the best, quality-assured materials available. We believe that we offer the best service to our clients through simple and open relationships and by competitive pricing and reliable deliveries beased on long time experience.