This sheet manufacturing machine is designed to produce special sheet using material of PC, PMMA and etc. This machine can be consist of single layer or multi layer machine with several extruders and it also can produce from thin sheet to thick sheet with various thickness and characteristic based on which material is used. Hence the produced sheet has various characteristic such as excellent light transmittance, impact resistance, heat resistance, self-extinguishing superior printability, stability and formability, this sheet is used as sound-proof wall, construction materials, roofing materials, connecting walkway, advertisement board/display, interior materials and other various areas.