... .High automatic 5.ISO&CE (1)SecurityOur devices have pressure gauges,alarms,safety valves and vacuum equipment.Also have ... blocking. (2)Environment protection1>condensing water and dust removal water are recycle and no discharge2>slag would not throw ... 9001,ISO-14001and CE certification(3)High degree automaticEquipments can feed,slagging,alarm,decompress,adjust negative pressure and exhaust recycling, ...