... Surface treatment: polish, plating, 3.custom stainless steel precision casting tube 1.Aluminum, zinc, steel, brass, 2. ... alloy,etc 2.Process Aluminum casting, sand casting, die casting, gravity casting, high pressure die casting, low pressure die casting. 3.CertificateISO9001:2000 and ISO ... Solidwork, CAXA UG, CAD/CAM/CAE. 6.Precision machiningCNC,milling machine,drilling machine,numerical lathe, all ...