... MaterialSS201,SS304,SS304L,SS316,SS316LProcessPrecision castingCertificateISO9001:2000StandardCustomer requirementSpecification drawingsPro/E ,Auto CAD , Solid work, CAXA UG, CAD/CAM/CAEPrecision machiningCNC, milling ... ,ChinaTel:0086-18653371891 Fax:0086-533-3155455 stainless steel Deep water pump impeller