... Machine:1. It is specially designed for acrylic light box, arylic lighting letters, channel letter, acrylic sign etc, it is ... operation visible and more convenient.5. Pneumatic door of heating box, save energy and high efficiency.6. Two indivicual heating ... This equipment is a necessary equipment for making acrylic light box, acrylic lighting-letter, acrylic channel letter, acrylic sign macking. It' ...