| 631 | ELO LCD TOUCH SCREEN LCD UNIT, REPAIR AND SERVICES, TYPE : ET2200L-8VGA-0-0 | |
| 632 | External High Rise Cleaning | |
| 633 | Electric Hoists and Winches | |
| 634 | Exhaust Ducting Works (PVC, Polypropylene or Galvanized Steel/ Stainless-Steel Ducting) | |
| 635 | Enclosure | |
| 636 | Engine inventory | |
| 637 | Engine In-stock | |
| 638 | Electric Chain Hoist | |
| 639 | 雙梁行车 | |
| 640 | 建築起重机、塔式起重机、塔吊 | |
| 641 | Electric Hoist | |
| 642 | Electric Rebar Handheld Cutter - Ogura HBC-232 | |
| 643 | Electric Rebar Cutter - Kanda KGQ55D | |
| 644 | Electric Rebar Cutter - Kanda KGQ42D | |
| 645 | Electroless Nickel Plating | |
| 646 | Electroplating Chemicals | |
| 647 | Electrical Dewatering Pump - Kanda KBZ411 | |
| 655 | Engineering Work | |
| 656 | Enterprise Risk Management Service | |
| 657 | EYC THR13 Temperature & Humidity Transmitter for Indoor Type | |
| 658 | EYC SD07 Signal Indicator For Wall Type | |
| 659 | EYC SD05 Integrated Signal Indicator | |
| 660 | EYC DPS08 Integrated Multi-Functional Instrument | |