1. We can supply various kinds of pipe bending machine rolls 2. ISO 9001 quality control 3. Max weight 40Mt ... 12m 1. We can supply various kinds of pipe bending machine rolls. The rolls are forged, max weight is 40Mt and ... test appliances, including chemical analysis, metallographic analysis, mechanical property test, charpy impact test, ultrasonic test, magnetic particle test, etc. 5. All ...