A U.S. industry sun room frame structure materials have a variety of points: spray square tube frame; stainless steel skeleton; aluminum square skeleton; wooden skeleton of four kinds. 
 The two U.S. industry sun room roof material variety: tempered glass-style top; PC Nai Liban top; color steel plate top; plexiglass-type top four. 
 The combination of 3. America Industry sun room surface Li window materials have a variety of points: frameless folding windows; broken bridge aluminum alloy windows; steel windows; the four kinds of aluminum composite wood. 
 The drainage system of the sun room 4. U.S. industry: UPVC Drain; Royal fell into two drainage. 
 5 U.S. industry sun room, sun UV protection: Lowe, coated glass, affixed to the two kinds of insulation film. 
 6. U.S. industry top-level window of the sun room can be sun room, sloping roofs, skylights, and points to both manual and electric.