Pressure vessels: vessel information, task book, material list, blueprint, product quality certificate, main component material list, calculation book, nameplate, cover, equipment parts list and parts random manual compilation, equipment instructions, equipment certificate, equipment operating procedures, etc.
Normal pressure equipment: material list, white drawing, steel plate and head material list, equipment manual, cover, equipment parts list and manual, equipment certificate, equipment thickness test, normal pressure container water leak test, equipment stirring test, 3D dead angle test, equipment roughness test, etc.
Pipeline welding: weld spot diagram, welding records, printed paper, pipeline pickling and passivation, welder qualification certificate, endoscopic inspection records, endoscopic pictures and videos, etc.