... etc.Indoor applicationRoom doors, dividing walls, door frames, light house steel structures, sliding doors, screens, ceilings, toilets, interior elevator ... , thickness, color, lacquer and performance.Please contact us for any needs or information. Jiangyin Wofeng Metallic Material Co., ... not change even after being roasted under high temperture for 6-12 years3.Process: Continuous coil coating line --- ...