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- TENGKU ROBERT HAMZAH
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TRHY Ecological Design Diagram

T. R. HAMZAH & YEANG

We are a sustainability design and planning firm that helps Developers and Investors make designs and masterplans that lead to environmental and ecological sustainability through research, design, planning and development.

“We get you there faster, We make it cost less, We build it greener”

"The global leader in Ecological Design"

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Tel: 03-4257 1966/ 1948
Fax: 03-4257 1966/ 1948

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