Henan Gang Iron and Steel Co. Ltd( Gangsteel) is specialized in low alloy high strength structural steel, mainly dealing with specifiion standard plates in EN 100252, EN 100253, EN 100254, EN 100256, ASTM A633, ASTM A573, ASTM A572, DIN 17100, JIS G3106, ASTM A709, ASTM A283, ASTM A529, ASTM A656, EN 10225, ISO 630, NFA 35501, and so on, the thickness .