... 4) OEM orders are welcome high quality customed aluminum sand casting Feature: 1.MaterialAluminum 2.Processsand casting, gravity casting ... , Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE. 6.Precision machining CNC, milling machine, drilling machine, numerical lathe, ... all types of lathe. 7.Surface finish process polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, ...