Goldencup is a Chinese musical instrument manufacturer based in Jiangyin City, Jiangsu Province, operated by Jiangyin Goldencup Angels Musical Instruments Co., Ltd., a Sino-US joint venture. The company is best known as China's leading accordion producer, manufacturing approximately 25,000 accordions per year and holding around 43% of the domestic accordion market. Their accordion lineup spans compact 8-bass student models to full-size 120-bass professional instruments, including free bass keyboard accordions and B-system button accordions. The brand holds the distinction of being the first Chinese manufacturer to produce a 120BS free bass keyboard accordion.

Beyond accordions, Goldencup produces a wide range of instruments including harmonicas, melodicas, wind instruments (trumpets, trombones, saxophones, flutes, clarinets, French horns, and tubas), and string instruments (violins, cellos, and violas). Their products are exported to over 30 countries across Asia, Europe, and the Americas. The company serves as vice president of the China Musical Instrument Association and chairs its Accordion Professional Committee, and has been repeatedly named among the Top 50 Enterprises in the Chinese Musical Instrument Industry. The "Goldencup" brand is recognized as a Well-Known Trademark of China.