PVC windows making machinery

We are one of the largest glass, aluminium extruder importer, supplier, seller and fabricator here in Banglaesh.
Right now we are interrsting to strengthen our business by pvc windows business.
Due to unavailabilty of the pvc windows extruder and lack of pvc windows making machinery this pvc windows profile is not getting the exact popularity.
Very few companies are trying to take the market share but their production capacity and quality as well as marketing strategy didn’t support to grab