Great Tech Enviro Sdn Bhd (928507-T)
18, Jalan BP 6/5, Bandar Bukit Puchong, 47120 Puchong, Selangor, Malaysia.
电话: +6019-320 5273, +6010-232 1273
传真: +603-8063 5302
邮件: weeksing@gmail.com
网址: http://www.greattech.com.my
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