... up curing time waterproof Korean crystal cover making and drying machine(800mm*1200mm)non-discoloringwaterproof,sunscreenUV speed ... cover. different shapes, the crystal pictures produced is clean and sparkling, not yellowing, never crack, elastic, with light ... : 1. less heat consumption, and very high heating efficiency2. Fully enclosed , no dust3. heating fast and temperature evenly4. can make PET ...