タイトルまたは説明

Used for soundproofing roads, highways, overpasses, expressways, and residential communities. In order to enhance soundproofing efficiency we carry out technical treatments to polycarbonate sheets. The lifespan of the product is guaranteed to be at least ****5 years. Our soundproof barriers are safer than glass and this PC sheet can prevent accidents, can be bent under normal temperatures, and is a better soundproofing barrier.