Precision stamping parts processing plants are increasingly used locally but we use precision stamping to know the known detection after precision stamping these detection methods are used, lighter hood color to avoid any problems.

First: for touch testing, we recommend that you use a clean gauze to wipe off the surface of the outer cover, local inspector gloves along the vertical stamping surface touch, of course, this method requires some professional experience.But it's the fastest way.

Next: the test method for flexible yarns, mentioned here is that the outer surface of the shell is wiped clean, using a soft sand clean tight towel surface to longitudinally grind the entire surface, punch, only pitting and indentation will be easily found.

Third: apply oil test, you need to wipe with a clean cloth will be in addition to cover surface clean, advertising lighters enclosures wind here you need to clean oil brush evenly along the direction of the entire surface of the stamping parts, then, you can put the stamping light summer test, you can easily find here whether stamping surface has slight pitting appeared corrugated board.