Shandong ShanZheng（SanZheng） Machine Tool CO.,LTD.,a large-scale professional lathe manufacturer , is a modern enterprise which cover the area of design, research, production, sale and after-sale service. It has more than 20 years experience in manufacturing conventional lathe, pipe threading lathe and CNC lathe. ShanZheng is an enterprise which owns technology casting, forging, machining, assembly, heat treatment. The CAD and ERP are widely used in the Enterprise informatization management and the development of the new product.