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| - Environmental Protection Dept.
- Reconstruction 15 Air Pollution Monitoring Stations
|  | - Tristar Knitting Factory Ltd.
- UV+TiO2 Nano Filter
- Duct Type TiO2 Healthy Air Sterilizer
- Anti-microbial and Deodorized
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| | | | |
 | - QP Printing (China) Ltd. Dongguan
- Clean Room
|  | - Shanzhen Taitai Pharmaceutical Industry Co. Ltd.
- Dust Collect System
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 | - Ventilation system air duct provide
|  | - Hong Kong Aircraft Engineering Co. Ltd.
- Dust Collect System
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| | | | |
 | - Central Textiles Co. Ltd.
- Liang Chi Wooden Type Water Cooling Tower Installation
|  | - HVAC - Water Cooled Chiller System Installation
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| | | | |
 | - Hong Kong Aero Engine Services Ltd.
- Upgrade Dust Collection System for Blasting Ship
|  | - Remarkable Ltd.
- Liang Chi Low Noise Type Water Cooling Tower Installation
- CTI Certified
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| | | | |
 | - Eaton Hotel
- Periodic test and inspection for L.V. switchboard and fixed electrical installation (WR2)
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