... deform, anti-aging, hump-resisting and easy to clean.2, Highly practical--fit for hotels, home, restaurant, ... ceiling being decorated for positioning the lamp ceiling late.2. For fixing the lamp ceiling ,drill the ... ,if the lamp ceiling is more than 2.5 meter 2 in area ,it is necessary to drill ... position where theseain of decorating line is located.2. Second,cut dowm a section of sliding block with ...