Purchase Qty. Reference FOB Price
999-4,998 Pieces US$4.80
4,999 Pieces US$4.50
5,000+ Pieces US$4.20
Product Description
Product Description Using high-density fiberglass 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, echo,etc. Product ...