Great Tech Enviro Sdn Bhd (928507-T)
18, Jalan BP 6/5, Bandar Bukit Puchong, 47120 Puchong, Selangor, Malaysia.
Tel: +6019-320 5273, +6010-232 1273
Fax: +603-8063 5302
Emel: weeksing@gmail.com
Laman Web: http://www.greattech.com.my
Laman Web: https://greattech.newpages.com.my/
Laman Web: http://greattech.n.my/
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