... Marking System Software 3.CE Approved Pneumatic marking machine for steel plateTechnical Indicator Marking Deepness0.01- ... )CertificationCEUse Environment1. power supply : AC220V±10%,50Hz2. compressed air: 0.4—0.6Mpa3. temperature: 0°C ... Applications: Automobile, motorcycle, voyage, spaceflight, shipping, petroleum-machine, engineering- machine, steel, tool producing, war industry, fire fighting, mould ...