Corrugated Axial Bellow Compensator is also known as expansion joint or expansions bend. The main body is the bellows (a flexible element), and it is also composed with some accessories like side tubes, brackets, flanges and conduit tube etc. It is a kind of compensation components. By using the bellows affect extensional deformation, to absorb pipe, ducts and containers axial, lateral and angular displacement. It is also widely used for industry noise reducing and shock absorption.