UPI's offers two types of Zinc plating: Alkaline Zinc exhibits good brightness, ductility and chromate receptivity, and has reliable and consistent coverage. Chloride Zinc deposits an outstanding brightness and plates difficult substrates such as castings. Zinc plating is used extensively on Automotive, Aerospace and Military products. It is available in Clear, Yellow or OD Green, and may be applied to steel, aluminum, copper or brass depending on the choice of zinc process. Our processes conform to ASTM-B633 types I, II, III and IV. And ASTM-B253. UPI employs 2-Automated lines and 1-Manually operated line to meet production and delivery needs. For additional information. E-mail us: sales@unitedplating.com