Hot sale Jewelry Spot-welding machine(HS-WP 90W) CE/FCC authenticate High efficiency,resolution,stability MACHINE FEATURES for HS-WP 90WIt applies to the whole design of laser, laser power, recycle cooling system, control system and workplace, which is stability, format tight, beauty appearence, easy work, small area and so on. It used switch power to operate board by touching to select the ...