ZTC steam turbine is "China Top Trademark", enjoys a high reputation in power equipment industry both home and abroad. Strong comprehensive working ability is an obvious characteristic of ZTC. Now there are workshops of numerical control machining, blade, electric, big piece machining, small piece machining, welding, general assembly, etc. The main and key components of steam turbine have realized numerical control machining to ensure the excellent quality of the products. ZTChas brought in advanced machining centers of numerical control. With its characteristics of high precision, high reliability and strong process capacity, the machining accuracy of principal axis, impeller, coupling and bearing pedestal has been guaranteed, and thus their universality and interchangeability.