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