... 0.025, s acuities were 0.035, cu acuities 0.50. Wire surface smooth, the burr, scratch, corrosion and oxidation ... 0.025, s acuities were 0.035, cu acuities 0.50. Wire surface smooth, the burr, scratch, corrosion and oxidation ... -automatic and automatic welding. At the same time the company also with other company to produce small portable inverter arc welding machine, dc inverter arc welding machine ...