About us Petropouyaresin Petro resin by a number of specialists with many years of experience in the field of industrial resins are proud to serve the following industries and factories.Unsaturated polyester resin:Orthophthalic baseIsophthalic baseApplied composites industry, composite components, FRP & GRP pipes and tanks composite sheets, Marine industry, stone, mastic.Saturated polyester resin:Applied inindustrial paintscan & coil coatings Certificates