Grade: 200/300/400/500/600/700/800/900 series/duplex stainless steel Material: 201,202,202cu,204,409,409L,410,420,430,431,439,440,441,444, 301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347, 2205,2507,2906,330,660,630,631,17-4ph,17-7ph,S318039 904L.etc استاندارد: AISI, JIS, ASTM, AS, EN, GB سطح: 2B,2BA,BA,Bair,8K,4K. ، برجسته.شرایط تجارت: انتقال تلگرافی، T/T، اعتبار نامه، L/C،