Approvals Intertech is approved by Det Norske Veritas for production of steel welded structures according to Rules of DNV classification /Certificate No GDA 02-058/ Furthermore DNV approval procedure for production of welded austenitic stainless steel 316 grade structures is finished as well /Certificate No GDA 02-469/ ISO 9001:2008 certificate No NC-411 issued by Polish Register of Shipping. Quality Manual of our company may be presented on request Intertech is approved by Germanisher Lloyd for welding in accordance with GL Rules for Welding (Rules for Classification and Construction,II- Material and Welding Technology, Part 3 -Welding) /Certificate No WF 0310080 HH/ Intertech is approved by Lloyd Register for welding of Weldox 700, Weldox 500 and Weldox 460.