... environment MMA dc hand electrode welderMain Features: 1.Adopt with advanced MOS/IGBT inverter technology, save energy, protect the ... environment, light and compact, portable, accord with EMC standard. 2. Current can be adjusted stepless, high ... steel, tungsten, titanium, nickel and other alloy material. 7. with complete accessories. 8. Carton box/BMC. MMA dc hand electrode welder ...