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Duplex stainless steel Seamless round pipe Tube produce and supply

    1.Top quality duplex Stainless steel seamless stainless steel round tubes produce and supply
    2.Manufacture Standard:ASTM A789, ASTM A790,GOST 9941, GOST 9940,
    DIN17456, DIN17458, EN10216-5, EN17440, JISG3459, JIS3463,
    4.random length
    5.mini order:1000kgs each size
    7.Mill test certificate supplied
    8.raw material guaranteed
    welcome to contact us for inquiry and orders!