Therefore, in order to pronounce on the hammer instead of plucked keyboard instruments became the main feature, and also is a sign and symbol of the piano. After 1709, Christopher was further reform of the structure of the original hammer machine used pianos for sale, he installed a complex system of levers and modern earthquake hit string machine almost exactly the same start lever in this sale Used Machinery piano, clavichord so faster than the original speed up to 10 times, and can be played in quick succession Yingze Songyin musical line was established in 2010, is located in Taiyuan Yingze District Youth Road East, is a professional musical instrument sales, after-sales, training as one of the musical instruments company. Yingze Songyin instrument line Tidbits: whether it is a grand piano or upright piano, its basic structure is the same. By: string column, sound board, bracket, keyboard system (including the black and white keys and hit the open string Chui, a total of 88 keys), treadle machines (including rams and pedals) and the case of six major components. Yingze 松吟 musical instruments used pianos prices _ 松吟 musical instruments (certification) _ on behalf of the county used pianos by Yingze 松吟 musical instruments. Yingze Songyin musical instruments (www.tysyyq.com) (www.tysyyq.com) is Taiyuan, education, training leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Songyin instrument line leadership with the staff warmly welcome all inquiries negotiations to create musical instruments Songyin better future.