1 ITC( 1964 started in China, the world's top speaker and speaker manufacturing multinational company, Guangzhou Porun Electronics Co., Ltd.) 2 Shanshui Sansui (1944 started in world-renowned speaker brands and industry-renowned brands, Shanshui Electronics (China) Co., Ltd.) 3 Dr. Bose( 1944 started in. Top ten audio brands, Dr. (China) Co., Ltd.) 4 PHILIPS (Philips Sony (China) Co., Ltd.) 6 Ailang Avlight (China well-known trademark, first-line brand/brand, leading brand, industry influential brand, Ailang shares) 7 Pioneer (Top ten audio brands, Japanese in 1938, world-renowned brand, pioneer electronics (China)).