صب عجلات محرك قطار السكك الحديدية الفولاذية لوزن عربة السكك الحديدية

we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.