There are now several home brew shops in Thailand which sell various ingredients including malts, hops and yeasts.
Thai Brew Shop - https://www.thaibrewshop.com/
Brew Master Thailand - http://www.brewmasterthailand.com/
Brew by Me - http://www.brew-by-me.com/
Thai Brew Home - http://www.thaibrewhome.in.th/
CS Brewtech - http://www.csbrewtech.com
Hops Hub BKK - http://www.hopshubbkk.com/
Craft Components - https://www.craft.co.th
***These guys are wholesale suppliers and have loads of great equipment***
Please support these guys as much as possible.
If you would like to make your own equipment then you can do so by going to your local hardware stores and buying the necessary parts. There are many online guides about how to do this and I will also be adding some to this site. Watch this space!!!