... .Blow Mould Stadium Seating 3.Floor mount,Riser mount,Simper mount 4.Safe Shenzhen Plastic Blow Mould One Piece stadium seating arena seating chairs fixed ... die-casting, surface phosphated,electrostatic gush model form. Installation: Floor mount,Riser mount,Simper mount.Certificate:CE,SGS,TUV,EN12727,ISO4892,BS5852 etc.