प्रतिस्पर्धी मूल्य mdf लकड़ी वेनर सजावट ध्वनि सबूत विसारक निलंबित छत बास ट्रैप एकोस्टिक पैनल

The Wall And Ceiling Of The Project Lecture Hall Of Hebei Yanda Lu Daopei Hospital Use Fireproof A-Level, Environmentally Friendly E-Level Sandstone Sound-Absorbing Board And Sound-Absorbing Paint Produced By Foshan Shangnanyin Technology Co., Ltd. Sandstone Sound-Absorbing Board Has High Acoustic Performance, Which Has The Advantages Of Sound Absorption, Light Absorption, Flame Retardant, Non-Slip, Warm In Winter And Cool In Summer, Moisture Absorption, Cold Resistance, Damage Resistance, No We