310不锈钢大小头型号齐全 310不锈钢大小头质量上乘恒诚管道本公司专业生产304不锈钢弯头 三通 大小头 法兰 管帽 等管件保质保量量大从优欢迎前来洽谈 联系电话18831765124 qq260925004张经理碳钢: astm/asme a234 wpb、wpc合金: astm/asme a234 wp 1-wp 12-wp 11-wp 22-wp 5-wp 91-wp911、15mo3 15crmov、 35crmov不锈钢:astm/asme a403 wp 304-304l-304h-304ln-304nastm/asme a403 wp 316-316l-316h-316ln-316n-316tiastm/asme a403 wp 321-321h astm/asme a403 wp 347-347h低温钢:astm/asme a402 wpl3-wpl 6高性能钢: astm/asme a860 wphy 42-46-52-60-65-70碳钢: astm/asme a234 wpb、wpc合金: astm/asme a234 wp 1-wp 12-wp 11-wp 22-wp 5-wp 91-wp911、15mo3 15crmov、 35crmov不锈钢:astm/asme a403 wp 304-304l-304h-304ln-304nastm/asme a403 wp 316-316l-316h-316ln-316n-316tiastm/asme a403 wp 321-321h astm/asme a403 wp 347-347h低温钢:astm/asme a402 wpl3-wpl 6高性能钢: astm/asme a860 wphy 42-46-52-60-65-70

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