| Specifications | GB/T 3077 |
| Material | Alloy steel,Carbon steel,Carburizing steel,Quenched and tempered steel |
| Grade | Carbon Steel:4130,4140,4145,S355J2G3+N，S355NL+N，C20，C45，C35,etc. |
| Stainless Steel:17-4 PH，F22,304,321,316/316L,etc. | |
| Tool Steel:D2/1.2379，H13/1.2344，1.5919,etc. | |
| Surface Finish | Black, Bright, etc. |
| Heat treatment | Normalizing,Annealing,Quenching&Tempering, Surface Quenching,Case hardening |
| Machining | CNC Turning,CNC Milling,CNC Boring,CNC Grinding,CNC Drilling |
| Gear Machining | Gear Hobbing,Gear Milling,CNC Gear Milling,Gear Cutting,Spiral gear cutting,Gear Cutting |
| Mill Test Certificate | EN 10204 3.1 or EN 10204 3.2 |