PneumaticPortablePressMachineItisusedtocoldpresscoveredinsulatingglass,itisdrivenbypneumatic,andthepressurecanbeadjusted,pressuresymmetrical,easyoperationForthecoldpressofI.GUsedforcoldpressaftertwopiecesofglassjointedtogetherPneumatictool,adjustedpressure.Evenpressuresurfeace,easyoperation.)