NLMK promotes its Quardian high protection steel at IDEX 2017 Tuesday, 21 February 2017 Army, Defence, Military, News, World At IDEX 2017, NLMK showcases the Quardian high protection steel. The Quardian, high quality steel has many applications in the defense & security sector. Read more The Advanced Armour Engineering range of ballistic steel (Photo Army Recognition) Read more Tweet Subscribe to receive free email updates: