| 511 | Change Forklift Solid Tyres | |
| 512 | Concrete Cutter | |
| 513 | Compact Rail, X-Ray, Easy Rail, Telescopic Rail | |
| 514 | Concrete Troweling Machine | |
| 515 | Combined bearings, Profiles, Clamp flanges, Flange plates, Monorail and Hose Reels. | |
| 516 | Cap Elevator Engineering Services | |
| 517 | Curvi Line Rail | |
| 518 | compass | |
| 519 | Carpentry Work | |
| 520 | Chinese broccoli (Kai Lan) Seedling | |
| 521 | Chinese Cabbage (Small Pa Beh, Kim Beh) Seedling | |
| 522 | Camshaft Sensor, Flywheel sensor | |
| 523 | Clutch disc, Clutch cover, Clutch pressure plate | |
| 524 | Clutch Pump, Clutch Booster | |
| 525 | Construction Equipment Repair Services | |
| 526 | Change Engine and Hydraulic oil | |
| 527 | Camlock Couplings | |
| 528 | Curve Liner | |
| 529 | Chassis Grease | |
| 530 | Cement Floor Levelling | |
| 531 | Cement Floor Screening | |
| 532 | Cai Xin (Choy Sum) Seedling | |
| 533 | Curved Bowl Vibratory Finishing Machine | |
| 534 | CEM Data Logger | |
| 535 | Coolant | |
| 536 | Cai Hua (Chinese flowering cabbage) Seedling | |
| 537 | Customise Shape Pipe Bending | |
| 538 | Carpet Tiles | |
| 539 | CRAWLER CRANE TOP ROLLER | |
| 540 | CENTER 22 Pocket Size AC Current Clamp Meter | |