Finally, after surveyed and get quotation for more than 6 contractors,
I deicided to use this contractor which recommended by forumer pm here.
He is the cheapest among my survey.


Material used : 3mm Solid Polycarbonate (Grey)
Size: 18 X 7 ft (132 sf)
Price: RM17 /psf
Timeline: 5 days
Steel Coat : Leather brown (FOC)
Installation : FOC
Pillar : No pillar design (look neat)
GST : N/A
Conclusion:
Very satisfied and two thumbs up !
Good workmanship + Reasonable price at today market.

Hope other forumers find this review useful