we recently entered a batch of aluminum billet, under the rain, billet oxidation, spray finished drawing after the profile off the skin, how to do
If the spray before the rescue, spraying is not easy, you also do not have to estimate the film slot!
Before treatment, not dealt with, must be dealt with before spraying, this situation.
If the spray before the rescue, spraying is not easy, you also do not have to estimate the film slot!
