... high-standard technician team 3)ISO,OEM Carbon Steel Casting-valve parts1 1.Material: The part showed is ... , investment casting(lost wax casting), die casting, pressing & forging etc. Machining: complete machining such as Machining center, CNC, ... investment casting(lost wax casting), die casting, pressing & forging.Weight range0.05-5000kgSurface treatmentpainting, polishing, heat treatment, plaining ...