... CE GS ISO9001 Certificate. 3.Warranty 1 year. THREE USEABLE INVERTER PLASMA CUTTING MACHINE(CT-312/CT-416)FEATURES:1. New type and high ... efficiency,economy and practical2. One machine has three purposes,be able to work as TIG,MMA ... ,automatic voltage compesation capablility,less splash.5. Sutable for cutting carbon steel,stainless steel,alloy stell ,copper,aluminium and so ...