... piece,surface blast cleaning of steel plate ,sections and structures, shot peening of work piece,cutting of graniteS390/SS1.2S330/SS1.0G18 ... steel pipe,sections and steel structure,surface treatment before painting,shot peening of work pieceS280/SS0.8S230/SS0.6G25/SG1.0G40/ ... alloy casting,steel plates,steel pipes,section and steel structure,shot peening of workpieceS170/SS0.5S110/SS0.3G50/SG0.4G80/SG0. ...