Nordisk Svejse Kontrol A/S (NSK) is presently one of Denmark´s leading suppliers of non-destructive testing, destructive test ... ing, inspection, technical consultancy and certification. We advise customers on how best to solve welding tasks with a variety of equipment and methods, on the clarification and interpretation of welding specifications, on the preparation of welding specifications, on the choice of welding processes and equipment, and on production planning. read more