... overlap lengthways is avoided.3. Materials as prepainted steel sheets, galvanized steel sheets, galvalume (Al-Zn coated sheets) are ... in flat steel products, such as cold rolled, galvanized, galvalume, galvaneal, electric galvanized, silicon steel, pre-painted steel sheet in ... close relationship with most domestic steel plants, such as Baosteel, Angang Steel, Bengang Steel, Baotou Steel, Wisco and so on ...