Construction Sustainability Technologies
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32 Kallang Place #01-01Singapore 339160
Office Address: 32 Kallang Pl, Singapore 3391609 am to 6 pm (GMT+8) Mon-Fri, Excluding PHHotline: +65 6848 9318Fax: +65 6848 9317EmailSales: helpdesk@efficient-net.comPartners: sales@efficient-net.com