... advanced equipment, can produce various types of color steel tile, such as 760,880,840,820,900 ... ,850 Our advanced technology manufacturing metal color steel tiles GS has the following advantages: 1, ... , rust, anti-fungal growth.4, applies to: light steel roof, wooden roof, pouring concrete roof structure. 5, ... equipment, can produce various types of color steel tiles, such as 760,880,840,820,900 ...