UNION-TECH CORP., LTD., founded in 1999, we are professional speaker system manufacturer for more than 10 years. A manufacturer specializing in the development of audio products, our main series include TV speakers, car speakers, multimedia speakers, hi-fi speakers and theatre speaker systems.our monthly output volume now stands at 3000000 pieces. These products are being marketed difference brands in the world. Also our products with brand of "UT" are enjoying popularity in both domestic and overseas markets.For more information, please visit our website: www.sinospeaker.com. www.itelecor.en.alibaba.com.