Selling Point 1.Environmental protection. 2.Easy and quickly installation,maintenance convenience. 3.Easy embed pipe. 4.Easily removed and re-used. 5.Light weight and high load-bearing capacity.(Can bear 1 tons) 6.Physical properties are stable.(PP material) 7.Reduce the loading of the building. 8.Can be slope correction.(0-5%) 9.Anti-correct,anti-aging,long service life and recyclable.(20 years) 10.Height range: 46-690 mm 11.Accelerate completion of the project. 12..Excellent drainage performance.