日本色wwwcom.,caoporn超碰最新地址进入,97视频国产自在自线2020,亚州,国产精品无码视频

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  • Domestic steel mold
    Position:Home >> Products >> Domestic steel mold
    4cr5movsi cold work die steel
    Public Time:2011年10月18日 | Sort:Domestic steel mold | Hits:1596

    4Cr5MoVSi is a medium carbon alloy hot-work tool steel with excellent toughness and good thermal fatigue properties for the manufacture of temperature below 600 ℃, higher toughness and ductility of the mold
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    All rights reserved: Shanghai Zhilian steel trade Co., LTD.
    Copyrigh @ 2010 2011 Shanghai Zhilian steel trade Co., LTD. All rights reserved
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  • 日本色wwwcom.,caoporn超碰最新地址进入,97视频国产自在自线2020,亚州,国产精品无码视频

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