| Category | Certificate / Registration No. | Description | Issue By |
|---|---|---|---|
| ISO 9000 Certification | CC 666 | ISO 9001 Quality Management System | Hong Kong Quality Assurance Agency |
| ISO 14000 Certification | CC 1971 | ISO 14001 Environmental Management System | Hong Kong Quality Assurance Agency |
| Registered Contractor | SC(V)48/99 | Registration of Specialist Contractor Sub-register: Ventilation Works | Buildings Department |
| Registered Contractor | 001592 | Registration of Electrical Contractor | Electrical and Mechanical Services Department |
| Registered Contractor | RC 1/303 | Registered Fire Service Installation Contractor (Class 1) | Fire Services Department |
| Registered Contractor | RC 2/65 | Registered Fire Service Installation Contractor (Class 2) | Fire Services Department |
| List of Approved Suppliers of Materials & Specialist Contractors for Public Works | PWD 34/3527/76 | Air-conditioning Installation (Group II) | Environment, Transport and Works Bureau |
| List of Approved Suppliers of Materials & Specialist Contractors for Public Works | (13) in WB(PS)103/365(88)II | Supply & Installation of Pumpsets & Associated Pipework | Environment, Transport and Works Bureau |
| List of Approved Suppliers of Materials & Specialist Contractors for Public Works | (22) in WB(PS)103/365(88)II | Supply & Installation of Water Treatment Plant | Environment, Transport and Works Bureau |
| 资质证书 | 建建港资字第97019号 | 北京、上海、天津、大连、广东及江苏等地区之工程承包 | 中国建设部 |
| OHSAS 18000 Certification | CC 2880 | OHSAS 18001 Health & Safety Management Systems | Hong Kong Quality Assurance Agency |
| List of Approved Suppliers of Materials & Specialist Contractors for Public Works | (0103D-02-1) in ETWB(PS) 103/365 | Steam & Compressed Air Installation | Environment, Transport and Works Bureau |