
Welding Tools Factory
Welding tools factory trend of the development: improve the welding productivity is to promote welding technology development important driving force to improve productivity means have two: the first improve welding deposition rates.the rate, such as three silk submerged arc welding, the process parameters from 220 A/V, 33, 1100 1400 A40V A45V. The small groove section, […]
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