... 200w5 CE WS series laser spot welding machines are used for perforation and spot welding of sand hole ... efficient, deep, little distortion, little affect area, quality welding, welding points free from pollution, and energy saving. ModelWS100WS150WS200Max. ... )400X350X880mm400X350X880mm400X350X880mmApplication fields: The machine can be used for welding of gold, silver, platinum, titanium and alloys, ...