Raw materials: stainless steel 304, 304L, 316, 316L and 321 Size: 10 ... Jun Piping Co.,Ltd. We are sincerely hope to establish business relations with you.We are a large -scale trading ... :Flanges, Built to Different JIS Standards, Available in Various MaterialsRaw materials: stainless steel 304, 304L, 316, 316L and 321Size: 10 ... Flanges, Built to Different JIS Standards, Available in Various Materials