document.write ("本公司可供材质(钢种):SUS304 SUS321 0Cr13 3Cr13 4Cr13 17-4PH SUS316L 904L 254SMo 1Cr17Ni2 0Cr26Ni5Mo2 1Cr18Ni9Ti SUS329J1 2205 2507 S31803 SUS310S 1Cr20Ni14Si2 1Cr25Ni20Si2 2Cr13 SUS317L  Y1Cr17 SUS440C SUS431 9Cr18MoV等
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