Where can I find a BSF mold manufacturer in country X ?

We maintain a list of Concrete Biosand Filter mold manufacturers here: http://biosandfilters.info/moldmakers  

If you know a reliable mold manufacturer that is not listed. You can submit their details using this form: http://biosandfilters.info/node/add/mold-maker


Is there a mold manufacturer in Malawi, Africa.

Hello Poyeho,

There is a Malawi manufacturer on the list, if you follow the link.