The urinal body is made of special glazed material and firing under the condition of 1200℃,which can make the surface density and very smooth.The water absorption of ceramic surface is only 0.1%( National standard:≤0.5%).When the urine drops onto the urinal body, just like the water rolling on the lotus leaf,so it will flow into the drainage pipe directly without remain..At the same time,the ceramic surface contains a special bacteria-repellent material,difficult for soil to adhere onto the ceramic