... 2.Dimensions: QC50: 48.5x45x0.5 mm 3.Zinc Coated Steel 4.New-type 1. Specification(Width*Height*Gauge): (Customization ... .(2)High Zinc Coating of 100 g/sqm.(3)Galvanized steel: Rust- proof and Corrosion- resistant and its Zinc Coating ... wall or veneering wall of hotels, theaters, emporiums, factories, office, house, airplane-terminal buildings, bus stations, waiting lounge, etc. Light steel keel