The company has six sets of intermediate frequency push elbow production line,which push the various seamless elbow –outside diameter betweenΦ50 - Φ 1066 , especially in large diameter high-pressure elbow push system, the more strong strength. 
And our company has been launched mass 300MW/600MW thermal power unit high-pressure elbow --P22 OD 762 x 30mm, 813 x 30 mm, 1066 x 54 mm. P91 OD914 x 32 mm and so on.