Hengdery was established in 1989 and is located in the south of Guangdong province, south China. We cooperated with Hong Kong Electro-acoustic Devices Co., Ltd., and set up our Electro-Acoustic Device Co., Ltd. The company specializes in producing car amplifier, car speaker, subwoofer, car tweeter, horn tweeter, dome tweeter, high efficiency D. C-to-A. C inverter, crossover, home theatre systems, computer sound box, as well as many others.

Our company occupies near 30Mu factory area and 20000 square meters for modern workshop building. We have 16 flow production lines and several hundred sets of most advanced detecting equipments. All of our products are well sold in home and abroad which cover over forty countries and areas including Europe, North America, Asia-Pacific area, Latin America, Africa, etc. At the beginning of 2001, our company got ISO9001 International Quality System Certificate as well as CCC, E-mark, CE approval and so on. Also we have been awarded as "Abide by Contract and Keep Promise" and "Sincere and Credit Company" since many years ago. At the same time we are "Quality Qualification Company" every year. Some products got good praise in international and domestic industry expositions and enjoyed a good reputation.