When selecting doors and windows for home renovation, you will frequently come across the terms “system windows” and “conventional thermal‑break aluminum windows”. There is a substantial price difference between the two, leaving many homeowners confused about where the gap lies and whether the extra expense is justified.
A National High‑Tech Enterprise refers to an entity that pursues continuous technological innovation and R&D, owns independent intellectual property rights, and boasts internationally leading or domestically advanced technical capabilities.
In 2026, as the construction of “quality homes” becomes a national initiative and the dual‑carbon goals keep advancing, the door‑and‑window industry has formally left behind the extensive development phase driven by capacity expansion. It has entered an in‑depth transformation era marked by quality restructuring and value‑based competition.
Known as China’s Capital of Doors and Windows, Foshan serves as a core engine for the high‑quality development of China’s door‑and‑window industry, boasting a hundred‑billion‑yuan‑scale industrial cluster, complete industrial‑chain supporting facilities and global exhibition‑trade strengths.
The door‑and‑window industry underwent structural readjustment in 2026. Contradictions have become prominent: overcapacity for conventional‑grade doors and windows coexists with insufficient supply of high‑end energy‑saving products. Coupled with rising prices of core raw materials and upgraded industry standards,
Since 2026, the National Conference on Housing and Urban‑Rural Development has issued a mandatory requirement that all new‑build buildings shall fully meet green standards, pushing the door‑and‑window industry into a phase of compulsory green‑energy‑saving transformation.
1
Copyright © 2026 Foshan Zuo'er Door and Window Technology Co., Ltd. 粤ICP备2026008250号-2