Overall Registered Gas Contractor List - Electrical and Mechanical Services Department | 機電工程署

RGC No. Company District Telephone No. Class of Gas Installation Work # 氣體安全(氣體裝置技工及氣體工程承辦商註冊)規例 註冊氣體工程承辦商及其僱用的註冊氣體技工的類別 List of Registered Gas Contractors employing Registered Gas Installers of different ...

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