Forged Tube
Product Presentation ： Size： Scope： Executive Standard ： Technical Requirements ： Material ：Q235,Q345,16MN,20#,35#,45#,40Cr,12Cr1MoV, 30CrMo,15CrMo , 20G
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Product Presentation ：
Size：
Scope：
Executive Standard ：
Technical Requirements ：
Material ：Q235,Q345,16MN,20#,35#,45#,40Cr,12Cr1MoV, 30CrMo,15CrMo , 20G
