| 631 | Welding Device | Company Product |
| 632 | Welding Door Locks | Company Product |
| 633 | Welding Ears | Company Product |
| 634 | Welding Electrode | Company Product |
| 635 | Welding Electrode & Flux Ovens | Company Product |
| 636 | Welding Electrode Holders | Company Product |
| 637 | Welding Electrodes | Company Product |
| 638 | Welding Equipment | Company Product |
| 639 | Welding Equipment Cable Connector | Company Product |
| 640 | Welding Equipment Parts | Company Product |
| 641 | Welding Equipment Rental | Company Product |
| 642 | Welding Equipment Repair | Company Product |
| 643 | Welding Equipments | Company Product |
| 644 | Welding Face Shields | Company Product |
| 645 | Welding Flux Recovery Systems | Company Product |
| 646 | Welding Fluxes | Company Product |
| 647 | Welding Fume Exhausters | Company Product |
| 648 | Welding Gas | Company Product |
| 649 | Welding Gas Regulators | Company Product |
| 650 | Welding Gases | Company Product |
| 651 | Welding Generators | Company Product |
| 652 | Welding Glass | Company Product |
| 653 | Welding Glassen | Company Product |
| 654 | Welding Glove | Company Product |
| 655 | Welding Gloves | Company Product |
| 656 | Welding Goggles | Company Product |
| 657 | Welding Gun | Company Product |
| 658 | Welding Gun Balancers | Company Product |
| 659 | Welding Helmets | Company Product |
| 660 | Welding Hinges | Company Product |