C45 SRB Honed H9 Inner Wall Polishing Seamless Carbon Steel Tube For Air Pressure Pipe Honing tubes are a kind of mechanical processing technology. The inner hole of the cold-drawn tube is rapidly ...もっと見る
訪問者のメッセージメッセージを残す
まだ公のコメントはない
C40 C45 SRB Honed H9 Inner Wall Polishing Seamless Carbon Steel Tube For Air Pressure Pipe