Eternal Sun strictly follows the international (EN1461 and ASTM A123) standards in the process of welding and galvanising to achieve good welding penetration with excellent finishing. ISO 9001 quality assurance systems have been certified by TUV Rheinland and our lighting poles are CE, EN40-S certified by Istituto Giordano. Our welders and welding process are certified by American Welding Society (AWS) and Canadian Welding Bureau (CWB). Our Certified Welding Inspector (CWI), by American Welding Society insures the welding quality are 100% compliance with AWS and CWB standards.