Hidden roof fiber ceiling is suitable for various low-ceiling spaces, as well as gypsum board, cement, and wooden ceilings with smooth surfaces. Installed using a splicing method, it eliminates the need for a keel. Vertical suspended roof glass fiber sound absorbers integrate functionality and design, offering a variety of shapes, colors, and installation options, providing ample creative space for designers to unleash their inspiration fully. These panels hardly absorb moisture from the air, offering excellent moisture resistance and maintaining flatness in any humid environment. They can effectively block cold air, prevent heat loss, reduce the impact of external factors on indoor temperature, and balance indoor temperature differences. Functional features include: flame retardancy, thermal insulation, moisture-proofing, mildew resistance, smoke resistance, sound absorption, soundproofing, and waterproofing.