... demand for riveting, spot welding, embedding, removal process, compared to other traditional crafts (such as adhesive, scald together or ... -saving advantages.Feature1.Efficiency: The welding process is very fast ,welding time is only 0-999 seconds.2.Strength: Can ... or glue, reduce labor and costs (no adhesives, screws, connective bolts). 5.Appearance: The joints are repeatable, clean and precise. ...