Stainless Steel Pipes Supply St45 Cylinder Pipe/St45 Oil Earthen Pipe/St45 Internally Polished Seamless Tube/St45 Honing Tube
Stainless Steel Pipes ASTM A106 /A53/A213/312/熱間圧延油管/天然/中国メーカー/ライン API 5L Sch 40/亜鉛メッキ/炭素鋼/シームレス炭素鋼/丸パイプ