| Manufacturer | Size |
| Steel square and rectangular pipes | 10*30*1.5 |
| Steel square and rectangular pipes | 15*15*1.5 |
| Steel square and rectangular pipes | 20*20*1.5 |
| Steel square and rectangular pipes | 20*40*1.5 |
| Steel square and rectangular pipes | 20*40*2.5 |
| Steel square and rectangular pipes | 20*60*2.5 |
| Steel square and rectangular pipes | 30*30*1.5 |
| Steel square and rectangular pipes | 30*30*2 |
| Steel square and rectangular pipes | 30*30*3.3 |
| Steel square and rectangular pipes | 30*50*2.5 |
| Steel square and rectangular pipes | 40*40*1.5 |
| Steel square and rectangular pipes | 40*40*3.3 |
| Steel square and rectangular pipes | 40*80*1.6 |
| Steel square and rectangular pipes | 40*80*2.5 |
| Steel square and rectangular pipes | 50*30*1.5 |
| Steel square and rectangular pipes | 50*30*2.5 |
| Steel square and rectangular pipes | 50*50*1.5 |
| Steel square and rectangular pipes | 50*50*2.5 |
| Steel square and rectangular pipes | 60*40*2.5 |
| Steel square and rectangular pipes | 60*60*2.5 |
| Steel square and rectangular pipes | 60*60*4.3 |
| Steel square and rectangular pipes | 70*70*2.5 |
| Steel square and rectangular pipes | 80*80*2.5 |
| Steel square and rectangular pipes | 80*80*3.7 |
| Steel square and rectangular pipes | 90*90*2.5 |
| Steel square and rectangular pipes | 100*40*2.5 |
| Steel square and rectangular pipes | 100*60*2.5 |
| Steel square and rectangular pipes | 100*60*2.8 |
| Steel square and rectangular pipes | 100*100*3.5 |
| Steel square and rectangular pipes | 100*100*4.5 |
| Steel square and rectangular pipes | 120*80*3.5 |
| Steel square and rectangular pipes | 120*80*3.7 |
| Steel square and rectangular pipes | 120*120*3.5 |
| Steel square and rectangular pipes | 120*120*4 |
| Steel square and rectangular pipes | 135*135*3.3*12 |
| Steel square and rectangular pipes | 135*135*3.7*12 |
| Steel square and rectangular pipes | 135*135*4.3 |
| Steel square and rectangular pipes | 160*160*4 |
