| Scope of use | Mechanical manufacture, catering and cooking equipment, metal products, containers, automobiles, structural pipes, food machinery, building decorations, chemical equipment, mechanical manufacture, building decorations, structural tubes, chemical equipment, household appliances, orbital transport, containers |
| Specifications | 25*25*3, 25*25*4, 25*25*25*25*5, 25*25*25*25*6, 30*30*3, 30*30*30*30*5, 30*30*6, 40*40*3, 40*40*40*4*4, 40*40**6, 40*40*5, 50*50*05*05*5, 50*50*4, 50*50*50*50*50*50*50*50*50*50*50*50*50*60*60*4, 60*60*60*6, 70*70*70*5, 70*70*70*6,80*80*4,90*90*5*5,100*4,100*100*100*100*100*100*6*1,1100*3,120*120*3,120*12*120*5,130*130*4,130*130**,140*3*140*140*,150*150*4*4,150*150*60*6*1,160*5,170*180*180*180*180*180*190*120*1201201 190*6 |
