The definition of scratch
Blister on the finished foam shell is transparent in particular with the scratch marks, if the trace is too long, too big, foam shell has become defective, can not be used for high-grade packaging.
Concerned about the packaging news, packaging design, new products, focus on the road package
Blister on the finished foam shell is transparent in particular with the scratch marks, if the trace is too long, too big, foam shell has become defective, can not be used for high-grade packaging.