• Wind

  • Tunnelling and Rail

  • Oil and Gas

  • Construction market

  • Car market

    • 螺栓  Bolt

    • DIN912

    • DIN603

    • DIN931

    • DIN933

    • JIS1180

    螺母  Nut

    • DIN6923&DIN315

    • DIN1587

    • DIN985

    • DIN934

    • JIS1181

    垫片  Gasket

    • JIS1256

    • DIN125

    • DIN9021

    • DIN440

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