It’s hard to find the thread if you don’t get the key words just right. The main thread on baking supplies is here: viewtopic.php?f=98&t=39628
and there’s also one on a particular store here:
viewtopic.php?f=98&t=68618
My favorite store is the Minquan one:
[forumosa.com/taiwan/viewtopic.ph … 76#p641276](DIY baking supply / supplies
There are also stores in Nangang, Donghu, and near Dihua St (all listed in the first thread above).