... ,AISI321,AISI347,AISI410,AISI420StandardAISI,ASTM,JIS,EN,DIN,GB,etc.Surface Finish2B, 2D, BA,No.1 No.3, No.4, No ... Yada Steel co., Ltd was established in 1993, which located on Tianjin. We are a manufacturer of stainless steel products with ...