... . tube bending, pipe bending 2.pipe fabrication 3. pipe welding 1.All kinds of metal are suitable2. Process: cold drawn , bending , welding , polishing3.Finish ... : 25-35 days .Ningbo Luhai Machinery Factory good at pipe works, we can bend pipes(steel , stainless steel, aluminium ... ,copper)We can weld pipes, make pipe fabrication pipe works, pipe bending, tube bending, pipe fabrication