OKNOPLAST Group operates 3 modern production facilities and has 3 unique brands: OKNOPLAST, ALUHAUS and WND, as well as trading branches in several European countries and a network of 3,000 dealer offices throughout Europe. With a production capacity of nearly 2 million units per year, we are one of Europe’s largest groups manufacturing PVC and aluminium doors and windows. All OKNOPLAST brands cater for different segments of the market, but they share some group-wide characteristics.