... MATERIALS OF NEW PRODUCTS Metal or magnesium super insulation roof tileHIGH PERFORMANCE1.High quality,elefant and uniform2. ... friendly,hygienic,non-radioactive4.Fireproof,non-combustible5.Better heat insulation than other tiles6.Insulating,non-conductive7.Acid-resistant, ... .Textile,paper-marking and steam factory buildings6.Building material,dyeing and sewage treatment factory buildings7.Large pig ...