Ningbo Cooma Acoustics Co.,Ltd.  located in Yuyao City, Zhejiang Province, its very close to Ningbo Port, We have convenient transportation. 

　We are leading manufacturer for public address system products.such as:Ceiling speaker,Wall mounted speakers,Horn speakers,Lawn speakers,Amplifier.and so on.we have 15 sets Injection Machines and have excellent technicians . We can supply products with good quality and competitive price to meet customers requirement. 

　Our principle is "quality and credit is the first". We have strictly executed ISO9001 quality management. We have our registered brands "Cooma" and "Sonnea". If you are interested in any of our products, please contact us with your detailed requirements. We look forward to receiving your inquiries and getting the opporunity of cooperate with your esteemed corporation.