| Model No. | Surface Treatment | 2D | 3D | |
| GRH40-55 | Normal/Antirust/Black Coating |  |  |  |
| Corrosion - Resisting | | | | |
| GRH40-80 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRH40-105 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRH40-130 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRH40-155 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRH40-180 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | | |
| GRH40-205 | Normal/Antirust/Black Coating | | | |
| Corrosion - Resisting | | | |