room acoustics is largely defined by resonance time. a long resonance time affects negatively speech comprehensibility as well as people performance. window treatment fabrics that absorb sound can make significant improvements. the effectiveness of the sound absorbing, resonance time reducing function...
products produced in china is presented here. our company is one of the recognized exporter making reflective products & materials and many more china textiles, yarn & fabrics products. our company is a recognized venture in china that is operating transnationally. response rate: % contact person: karl...