Flat door wardrobe, plastic four corners wrinkle. How do you blister it?
If you do not want to replace equipment, material replacement, try to master plastic vacuum when automatic, manual modification, plastic door when baked with a hair dryer in the manual adjustment on the corner of peridiolum.
There is a small part of plastic machine, mainly without positive pressure, not to pressure angle, the majority of PVC peridiolum problem, with coated membrane skin blister, peridiolum malleable enough, there is a problem you say.
Please give me a picture and help you figure it out
