The elbow produced by Hebei Yaosheng IM & EX Trading Co., LTD is used to connect two pipes of the same or different nominal sizes to make the pipe turn at 90°, 45°, 180° and various degrees.Because the elbow has good comprehensive performance, it is widely used in chemical industry, construction, water supply, drainage, petroleum, light and light industry, refrigeration, sanitation, water heating, fire protection, electric power, aerospace, shipbuilding and other basic projects.