| 661 | Welding Metal Powders | Company Product |
| 662 | Welding Nozzle Tip Cleaners | Company Product |
| 663 | Welding Nozzle Tip Replacer | Company Product |
| 664 | Welding Nozzles | Company Product |
| 665 | Welding Positioners | Company Product |
| 666 | Welding Products | Company Product |
| 667 | Welding Rectifiers | Company Product |
| 668 | Welding Robots | Company Product |
| 669 | Welding Rod | Company Product |
| 670 | Welding Rode | Company Product |
| 671 | Welding Rods | Company Product |
| 672 | Welding Rotators | Company Product |
| 673 | Welding Services | Company Product |
| 674 | Welding Set | Company Product |
| 675 | Welding Set Repair | Company Product |
| 676 | Welding Sets | Company Product |
| 677 | Welding Spare Parts | Company Product |
| 678 | Welding Spatter Preventives | Company Product |
| 679 | Welding Spectacles | Company Product |
| 680 | Welding Stainless Steel TIG | Company Product |
| 681 | Welding Supplies | Company Product |
| 682 | Welding System | Company Product |
| 683 | Welding Temperature Indicators | Company Product |
| 684 | Welding Timer | Company Product |
| 685 | Welding Tool | Company Product |
| 686 | Welding Torch Cables | Company Product |
| 687 | Welding Torches | Company Product |
| 688 | Welding Tractors | Company Product |
| 689 | Welding Transformers | Company Product |
| 690 | Welding Tungstens | Company Product |