GasOil Endüstriyel Üretim San.Tic. A.Ş. is a company specialized in manufacturing of monolithic insulating joints for the cathodic protection of steel pipelines of gas, oil, water and other fluids. Our main products are; insulating joints, spool manufacturing, tool-less closures, filters, exchangers, pressure vessels, semi-automatic welding lathe. All stages of design, production and test is carried out entirely in the plant located in İzmir-Turkey, which is ISO 9001:2015 certified by accredited body to ensure compliance with product performance and reliability standards.