grey cast iron sand casting_

Gold melting-sintering furnace, high frequency furnace, shell shaker; post-processing-cutting machine, smoothing machine, sandblasting machine, sand cleaning machine, heat treatment furnace, punching machine; maintenance-pneumatic grinder, argon welding machine, smoothing machine; Quality assurance-spectrometer, three-dimensional, etc. These are relatively common and common, and vacuum casting furnace or vacuum heat treatment furnace or X-ray and so on are needed.