| Item | Description | Frame size (mm) | Clear opening (mm) | Height (mm) | Unit weight (kg/pc) |
| Square type grating |
| 1 | C250 Square type grating | 300*300 | 170*170 | 45 | 9 |
| 2 | C250 Square type grating | 400*400 | 270*270 | 45 | 15 |
| 3 | C250 Square type grating | 500*500 | 370*370 | 50 | 23 |
| 4 | C250 Square type grating | 550*550 | 420*420 | 50 | 27 |
| 5 | C250 Square type grating | 600*600 | 470*470 | 55 | 31 |
| 6 | C250 Square type grating | 700*700 | 570*570 | 60 | 48 |
| 7 | D400 Square type grating | 500*500 | 370*370 | 80 | 32 |
| 8 | D400 Square type grating | 550*550 | 420*420 | 80 | 38 |
| 9 | D400 Square type grating | 600*600 | 500*500 | 80 | 43 |
| 10 | D400 Square type grating | 700*700 | 570*570 | 80 | 58 |
| 11 | D400 Square type grating | 700*700 | 600*600 | 100 | 95 |
3) product used
The product was used for the roads / idewalk / highway / airport
Product advantage
1. Moderate weight and easy installation
2. No inherent scrap value thus reducing risk of theft
3. Can be used in -30℃ to 70 ℃ degrees environment
4. 30 years of service life
5. Corrosion resistance, meet the needs of environmental protection, and reduce the exploitation of mining resources; beautify the city, classify the coloring, and enhance the taste of the city.
6. Tested by national security agencies. Compressive, bending and impact resistant. Heat, cold, acid, etc.
Product Benefits:
1. No inherent scrap value thus reducing risk of theft
2. Moderate weight and easy installation
3. Can be used in -30℃ to 70 ℃degrees environment
4. 30 years of service life
5. Tested by national security agencies. Compressive, bending and impact resistant. Heat, cold, acid, etc.
6. Corrosion resistance, meet the needs of environmental protection, and reduce the exploitation of mining resources; beautify the city, classify the coloring, and enhance the taste of the city.
