How welding equipment documentation supports EN 1090 European structural steel execution: equipment CE Marking (Machinery Directive 2006/42/EC) vs fabricator EN 1090 EXC2 / EXC3 / EXC4 certification, ISO 15614 WPS qualification, ISO 9606 welder qualification, ISO 14731 welding coordinator, Factory Production Control (FPC). Common pitfalls and 5 mechanisms by which Wuxi ABK CE + SGS documentation supports fabricator’s structural component CE Marking.