... CertificateISO9001:2008 Certificate 4.Material StandardADC12, A380 5.Specification drawings Pro/E, Auto CAD, Solidwork, CAXA UG, ... sand casting, die casting, gravity casting, high pressure die casting, low pressure die casting.2. Applied software for specification drawings ... all types of lathe.4. Surface finish process: polishing, sand blasting, heat treatment, painting, powder coating, anodizing, ...