Keymazing(HK) Limited, who is oversea department of qisheng company, is a well-known AV enterprise with seven branch factories and over 4000 staffs, which is located in Dongguan city and with its overseas marketing office in Shenzhen. Our factory was established in 1992 .Twelve years of stable and fast development makes it into the top 3 home theatre manufacturers in China which integrates scientific research, production ,marketing and service. Our main customers include HYUNDAI, SANSUI, ELTA , DEX,VITEK, YTO etc.,While our sales network sites is about 3000 pcs so far. We also have established long-term friendly business relations with customers around the world, such as Japan, USA, Europe, Australia, Southeast Asia, Mid-east,