China CS Outer Ring SS304 Inner Ring Spiral Wound Gasket Factory Supplies ASME B16.20 CS Outer Ring SS304 Inner Ring Spiral Wound Gasket, 24 Inch 900#.
China A131 Gr.A Carbon Steel Plate Manufacturer Provides ASTM A131 Grade A Carbon Steel Plate, 1500mm x 3000mm x 6mm, Black Surface, for Ship Building.