Nastech Co., Ltd.

http://nastechno.tradekorea.com

(1)Cold rolled steel.   SPCC,SAE1008,SAE1010,SAE1015   S45C,S50C,S55C,S70C,SAE1078,CS80, CK60   SK4,SK5, SCM435, SNCM220   50CrV4 (2)Hardened & Tempered steel   S45C, S55C, S70C, SAE1078, CS80   SK4, SK5, 50CrV4, SCM435