Use medium and high density fiber water-based board or calcium silicate board as base material, through sanding, multi-layer water-baser paint coating and real stone  paint/water-in-sand paint spraying, reach to imitation granite decorate effect, finally coating fluorocarbon paint cover, so that it has perfect self-cleaning performance Real stone paint/water-in-sand paint can be sprayed the embossment decorative effect which has a low cost and perfect low temperature resistance effect,very suitable for the decorative request of medium and low wall.