... 6. Professional service 7. Process: sand process casting 8. Application: pump parts 9. Surface treatment: ... on)2.Processsand casting, gravity casting, low-pressure die casting, high-pressure die casting.3.CertificateISO9001,BV4. ... StandardASTM B6015.Specification drawingsPro/E, Auto CAD, CAXA UG, CAD/CAM/CAE.6.Precision machiningCNC, milling machine, drilling machine ...