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