In Reply to: synthetic wicker supplier posted by morebintang on Tuesday, 9. April 2013 at 07:14 Bali Time:
Jl Raya Sunset. There are many places along this area about 1km on the left from the Dewi Simpiang Siur monument (underpass). They may be able to help you, or give you some other locations to source your items.
Saw many lounges, chairs etc along there last week.
Hope this helps.