2. PearlRiver (China's well-known trademark, one of China's internationally competitive enterprises, Guangzhou Zhujiang Piano Group Co., Ltd.)
3. Sons, the founder of modern piano manufacturing industry in the United States in 1853, enjoys a high reputation. Steinway Piano (Shanghai) Co., Ltd.)
4. Helen HAILUN (a famous brand in China, a national cultural industry demonstration base, a national cultural export key enterprise and a famous brand in the industry, Helen Piano Co., Ltd.)
5. XINGHAI Xinhai (a well-known trademark in China, a famous brand in China). China is one of the professional Chinese and western musical instrument manufacturers, Beijing Xinghai Piano Group Co., Ltd.)
6. Charles Walter (founded in 1975 in the United States, one of the world's outstanding piano brands, one of the three better piano brands in the United States, Walter Piano Co., Ltd. in the United States) 7. Sanyi SAMICK (in 1958, one of the world's largest piano manufacturers, the perfect combination of classical beauty and modern style,