High quality flange casting Material:Carbon steel ISO9001: ... : ISO 9001:20083, Full set Quality Control4, Best Quality and Best Price5, On time delivery6, Casting Process: Client Drawing ... treatment3, Mechanical testing4, Final NDE, Final Dimension Quality Assurance Document:OEM Casting1, Item Testing Plan will ... -8370-1520FAX: 0086-411-8370-4610 Superior quality on flange casting with best price