Blue Scope is a international company, in Australia, spread all around the world.They are largest quality flat sheet producers. They export there products, to over 50 countries around the world. They are the leader of coated steel technologies, such as metallic coated and pre-painted steel. They produce over 2 million tons of meta-coated products per annum. They are the inventors of high tensile material. There main brands are COLORBOND steel and ZINCALUME steel. ZINCALUME steel was introduced by 1976.

Union steel company is in Korea. They are the leaders of Korean steel industry. There brand names are Aluminium-Zinc alloy coated steel- Unilume and Colourlum. They also export there products, all around the world. There quality of material is equall to Blue Scope material.