Raw materials: stainless steel 304, 304L, 316, 316L and ... business relations with you.We are a large -scale trading company, specialized in trading big sizes pipes and pipe ... requirement.Name:Flanges, Built to Different JIS Standards, Available in Various MaterialsRaw materials: stainless steel 304, 304L, 316, 316L and 321Size ... Flanges, Built to Different JIS Standards, Available in Various Materials