铸铁:HT100 HT150 HT200 HT250 HT300 HT350 QT400-18 QT450-10 QT500-7 qt600-7 QT700-2 QT800-2 QT900-2 QT400-18A QT400-15A QT500-7A QT600-3A QT700-2A QT400-18A QT400-15 QT-H330 QT-H200 QT400-18AL QT-H300 QT-H265 QT-H230 QT-H185 QT-H155 QT-H150 QT600-3 QT700-2 QT800-2 QT900-2 QT400-18 QT400-15 QT600-3 RuT420 Ru380 RuT340 RuT300 RuT260 KTH330-08 KTH330-08 KTH350-10 KTH350-10 KTH370-12 KTZ450-06 KTZ550-04 KTZ650-02 KTZ700-02 KTB300-03 KTB350-04 KTB400-05 KTH330-08
