火灾报警系统施工安装

地点：越南河内市清春区况亭坊武宗潘路651号

Address: 651 Vu Tong Phan st, Khuong Dinh Ward, Thanh Xuan district, Hanoi, Vietnam

投资方：黄荣光先生

Investor: Mr. Hoang Vinh Quang

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