| 631 | Welding Locks | Company Product |
| 632 | Welding Machine | Company Product |
| 633 | Welding Machine Rental | Company Product |
| 634 | Welding Machinery | Company Product |
| 635 | Welding Machines | Company Product |
| 636 | Welding Machines Rental | Company Product |
| 637 | Welding Machines Services & Repairs | Company Product |
| 638 | Welding Manipulator | Company Product |
| 639 | Welding Manipulator Machine | Company Product |
| 640 | Welding Material | Company Product |
| 641 | Welding Metal Powders | Company Product |
| 642 | Welding Nozzle Tip Cleaners | Company Product |
| 643 | Welding Nozzle Tip Replacer | Company Product |
| 644 | Welding Nozzles | Company Product |
| 645 | Welding Positioners | Company Product |
| 646 | Welding Products | Company Product |
| 647 | Welding Rectifiers | Company Product |
| 648 | Welding Robots | Company Product |
| 649 | Welding Rod | Company Product |
| 650 | Welding Rode | Company Product |
| 651 | Welding Rods | Company Product |
| 652 | Welding Rotators | Company Product |
| 653 | Welding Services | Company Product |
| 654 | Welding Set | Company Product |
| 655 | Welding Set Repair | Company Product |
| 656 | Welding Sets | Company Product |
| 657 | Welding Spare Parts | Company Product |
| 658 | Welding Spatter Preventives | Company Product |
| 659 | Welding Spectacles | Company Product |
| 660 | Welding Stainless Steel TIG | Company Product |