How about Panyu Giant Audio Factory?

All right. Panyu Giant Audio Factory is an audio production enterprise with strong strength and competitiveness. Its product quality is reliable and its research and development strength is strong. The company also owns Guangzhou key engineering technology research and development center for household audio and video equipment and Guangdong wireless intelligent digital audio engineering technology research and development center, and has a number of invention patents, utility model patents, appearance patents and software copyrights.