Changchun can go to Changchun Yulong Musical Instrument Store to fix the clarinet. Located at the intersection of Dama Road and Dongsan Road in Nanguan District, Changchun City, with a business area of 300 square meters. Mainly engaged in musical instruments and musical instrument peripheral consumables, lighting and audio equipment. It has a solid theoretical foundation and practical experience in many fields such as instrument assembly, tuning and shaping. Maintenance items: Fine clarinet, brass tube and woodwind instruments (flute, saxophone, trumpet, trombone, horn and tuba) can be taken to Changchun Yulong Musical Instrument Store for maintenance.