... .MaterialAluminum 2.Processsand casting, gravity casting, low-pressure die casting, high-pressure die casting 3.CertificateISO9001 4. ... die casting parts:1. Aluminum die casting, sand casting, die casting, gravity casting, high pressure die casting, low pressure die casting.2. ... types of lathe.4. Surface finish process: polishing, sand blasting, heat treatment, painting, powder coating, anodizing ...