... CNC machining center service Material: iron steel,ductile iron Tolerance: 0.03mm Lead time: as the drawing require Vertical ... in Rongcheng city, Shandong province, utilize stainless steels, iron, steel etc. according to customized specifications and shipped ... (Payment Terms/Shipment Terms/Lead time):Materials:iron steel,stainless steel,ductile iron,gray ironLead Time: as the customers' drawings ...