Purchase Qty. Reference FOB Price
1,999-4,998 Square Meters US$4.80
4,999 Square Meters US$4.50
5,000+ Square Meters US$4.00
Product Description
Product Description 1. Main characteristic using high-density glass wool as the base materials, the surface is covered with sound-transmitting paint, and sound waves hardly produce wave reflection on this surface, which can control and adjust the indoor reverberation time, reduce indoor noise, ...