304 or 316L Stainless Steel Flat Strips for Inner and Outer Ring of Spiral Wound GasketFlat Strips for Inner and Outer Ring of Spiral Wound GasketPlace of Origin: CHINAModel Number: HEROOS-T300MMaterial: 304.304L.316L.321,317L etcStandard: On request, GB/T.ASME.API6A