Piano tuning lawyer is a kind of staff who specializes in piano quality, melody, component adjustment and component renovation. You can go to Barto International to study. At present, many senior technicians in Barto International Piano Seminar have this certificate, and Barto's piano technicians have strong leadership and management skills. They can not only manage and train piano tuning lawyers who are one level lower than themselves, but also have excellent teamwork and organizational skills in piano tuning.