The main technologies of the automatic three-wire drawing machine are divided into three types, which are made by Germany, Japan and South Korea. Japan has good stability, fast drawing speed in South Korea, and high German safety factor.

The drawing machine is mainly suitable for drawing, drawing, smoothing and drawing of metal pipe and bar. Whether it is a tube rod round tube shaped tube drawing machine can be drawn, but the three-line automatic may have certain limitations, the scope of application is not so wide, the inner diameter is small and the length is basically not good to use the automatic three-line drawing of. Mainly applicable to copper pipes, steel pipes, aluminum pipes, etc., and metal pipes with large production volume.