Polyethylene (PE) and Polypropylene (PP) tanks are made with butt welding or extruders with hot air by a team of professionally trained welders per DVS standard, it may be equipped with connections for various niche applications. Depending on the requests there are variants specially designed to be buried or for the surface. Design programs developed by our partners in the EU help us choose the correct solutions and sizing of tanks in accordance with DVS instructions: 2201; 2202; 2203; 2205; 2206; 2207; 2208; 2209.