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        • Mould Steel

          Mould Steel

          1.Chemical Component Grade C Si Mn P S Cr Ni Mo V Cu Nb P20 0.28~0.40 0.20~0.80 0.60~1.00 ≤0.020 ≤ 0...

        • Forged Bar

          Forged Bar

          Forging Product Standard Bearing steel: GCr15 series, (SUJ2, 52100), GCr15SiMn, GCr18Mo; Carbon stee...

        • Rolled Bar

          Rolled Bar

          1. Introduction This big alloy steel bar mill was put into production in October, 2014. Its product ...

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        1. General Information Shigang Jingcheng Equipment Development & Manufacturing Co., Ltd. (herein...MORE

        中文成人在线视频_真人操逼视频_99中文在线视频观看

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