Bridge tunnel mechanical board reshapes indoor door filling material selection with innovative tubular structure, becoming a quality choice for high-end residential, star rated hotels, and quiet luxury office spaces.

Its excellent sound insulation and noise reduction performance creates a private and quiet space for bedroom doors, and its physical insulation characteristics ensure that the entrance door does not leak cold in winter and does not transfer heat in summer.

The pressure and impact resistant structure is designed to withstand high-frequency use in commercial spaces, and the scientific flame-retardant design builds a fire barrier for life.

Bridge hole mechanical board comprehensively solves the system requirements of solid wood composite doors in terms of sound insulation, thermal insulation, durability, safety and other dimensions, redefining the performance benchmark of high-end indoor door fillers.