Yongduo doors and windows tell you that the main structure of the sun room is the vitality of the sun room and bears the greatest strength support, so the main structure material can not be ignored. Square steel is generally selected as the main load-bearing material for the main structure of the sun room, and some small and medium-sized high-grade sun rooms may also adopt broken bridge aluminum alloy structure. The highlight of the sun room is the perfect design. Steel structure is the soul, and all its weight and pressure are supported by steel structure. The basic four-sided pillars of the sun room structure are necessary, and the beams and longitudinal beams supporting colored steel plates or tempered glass on the top are combined into a net structure, so that the sun room material is very firm and safe.

Nantong Yongduo doors and windows can be made of aluminum-wood composite windows. Aluminum-wood composite profiles are composed of aluminum alloy profiles and wood profiles. They are a kind of production and processing raw materials with excellent outdoor weather resistance, indoor decoration, energy saving and heat insulation, and are suitable for doors and windows, curtain walls and sun rooms with various shapes and sections.