天津市天元钢管销售有限公司  

加关注0

?ò??1?27SiMnòo?1?§?ü1ü13920247899 ìì?òêDìì?a??1ü?úê?óD?T1???ê?ò??òרòμ??á|óú o??e???￠2?Da???￠ì?????￡¨1ü2??￠Dí2??￠°?2?μè￡?μ??úê?1????￡±?1???ê?ò??ò1é?Y???óòμ￡???óD?±1¤30óà??￡?×￠2áóúìì?ò?a?￠???￡?T?ì??1ü?a′?á?3￡?ê±￡3?5000??×óóò?￠???ú???1o??e1ü?a′?2000??×óóò?￡1???3éá￠ò?ê?±?oíò±???￠°ü???￠ìì?ò??1ü1????￠3é????3§?￠é?o￡±|é???ìú?ˉí??T?ì??1ü3§?￠°°???¨á￠á?o?μ?òμ??íùà′1??μ?￡?üê?oa???aáa?ˉí??T?ì??1ü3§?a±±μ???′úàíéì?￡1????????ù′???óú1ú 2??ê￡o20#?￠45#?￠16Mn(Q345A?￠B?￠C?￠D)?￠27SiMn?￠15-42CrM0?￠êˉóíì×1ü(J55?￠N80?￠P110)μè