... :304,304L,310S,321.321H,316,TP316L8.shape:C and U Channel9.Steel grade 300 series10.Secondary ... ISO,QMS,DNV,KR,ABS,TUV,Lloyd's Register,BV.15.Application:petroleum, chemical industry,electric power,food ... passed ISO9001: 2000 by LLOYD, got approval from DNV, BV, TUV,CCS, ABS, RINA, and acquired certificates such ... sufficient supply, competitive price and best service. C shape Stainless steel channel bar