We are very pleased to introduce ourselves.  Dongkuk steel Co., ltd is a well-established steel manufacturer and exporter in Korea (s).  We very welcome your inquiry. Please contact us anytime you need our products and service.  Our main items and size range are as belows   Main items:  1. Cold rolled steels -jis: Spcc, spcd, spce -sae: Sae1006~1055 -aisi: Aisi1008,1010,1019,1023,1030  2. Carbon and alloy steels -jis: S10c~s55c, sk-3,4,5, sup10, scm430, scm435, sncm220 -sae: Sae1010~1055, sae1526,1527,1536,1541, sae950b -din: Dn-50crv4  3. Auto mobile structure steels -jis: Saph310,370,400,440, spfh540,590  4. Structure steel -jis: Ss330, ss400, ss490, ss540 -astm: A36, a283, a570 -bs: Bs1449 50/35hr, hs, bs4360 43a, b, c,50b, c -din: Din17100 st22,33, st52-3, rst37-2   Size range:  1)cold rolled products -thickness:0.2~4.5mm -width:10mm~450mm  2)pickled & oiled products -thickness:1.2mm~8.0mm -width:50mm~1300mm  For more details, visit our website and contact us by e-mail and fax any time.