How important it is to find a reliable manufacturer, and to wipe and maintain it regularly after saxophone is used then the repair and maintenance of the saxophone, Gao Yin saxophone, sub-sonic saxophone replacement gasket, spring, screw, cork (water pine), welding keys, linkage, repair depressions, bruises, deformation, adjust the feel of keys, tone, etc., maintenance cleaning, disinfection and other fault maintenance services. Can you find me My maintenance technician has professional troubleshooting skills training and factory maintenance experience. Ensure saxophone maintenance is guaranteed. If you need to contact us at any time.