政府註冊承建商Registered General Building Contractor
消防處註冊承辦商 Registered Fire Service (Installation) Contractor
水務署一級水喉註冊牌照 Plumber’s License
機電工程署註冊電業承辦商牌照 Registered Electrical Contractor
國際標準品質認証 ISO 9001:2000 ISO 9001:2000 International Quality Assurance
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