... , BV, CNAS 3.Critical examination 4.Plastic cover 316 304 stainless steel froged flange Good quality and competitive priceDescriptionStainless steel ... , Middle East Asia,Korea,etc Material316L, 316, 304L, 304,Class150#,300#,400#,600#,900#Production processraw material--cutting--heating ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 2013 newest 316 304 stainless steel flange