Ukusetyenziswa kwemveliso:
isetyenziswa kakhulu koomatshini, izixhobo zonyango, izixhobo zokuzilolonga, iQizheng, oololiwe abahamba ngesantya esiphezulu, iimoto, ifanitshala, ukuhombisa kunye nezinye iinjongo.
Ukuthotyelwa okusemgangathweni:
| I-ASTM A554 |
| GB/T 12770 |
| JG/T 3030 |
| EN174555 |
| I-DIN EN 10296-2 |
| JIS 93446 |
