| 511 | CNC Flat Bed Lathe Machine CAK Series | |
| 512 | Cap And Rod Grinding Machine DM50/DM100 | |
| 513 | Con-Rod Bushing Boring (Grinding) Machine T8216/T8210D | |
| 514 | Cylinder Head And Block Surface Grinding Milling Machine YG1400 | |
| 515 | Cylinder Block Grinding-Milling Machine 3M9735B | |
| 516 | Cylinder Honing Machine M4215 | |
| 517 | Cylinder Honing Machine THM170 | |
| 518 | Cylinder Honing Machine 3M9817 | |
| 519 | Cylinder Honing Machine 2M2217A | |
| 520 | Cylinder Honing Machine 3MB9808 | |
| 521 | Cylinder Honing Machine SHM100 | |
| 522 | Cylinder Boring Machine T8014A/T8016A | |
| 523 | Cylinder Boring Machine T806/T806A/T807/T808A | |
| 524 | Cylinder Boring & Surface Grinding Milling Machine TXM Series | |
| 525 | Cylinder Vertical Air-Floating Fine Boring Machine TB8016 | |
| 526 | Cylinder Boring Machine FT7 | |
| 527 | Cylinder Boring Milling Machine VBM160 | |
| 528 | Cylinder Fine Boring (Milling) Machine VBM200/VB200 | |
| 529 | Cylinder Line Boring Machine T8108/T8115B/T8120 | |
| 530 | Crankshaft Grinding Machine MQ8260 Series | |
| 531 | Carpentry And Upholstery Services | |
| 532 | Cold Spray Technology | |
| 533 | Coupling Clamps & Repair Clamps | |
| 534 | Copper Press Fit Fittings - M Profile | |
| 535 | Compression Coupler (PPR-Copper Quick Fit Brass CR Reducing Socket) | |
| 536 | Compression Elbow | |
| 537 | Compression FI Elbow | |
| 538 | Compression Reducing (CxMI) Elbow | |
| 539 | Compression FI Wallplate Elbow | |
| 540 | Compression Coupler | |