... ductile casting pipe meet the requirement of ISO2531-2003 (E) and GB/TI3295-2003, among them the elongation ... wires, environmental protection equipments, machinery matching companies, loader, diesel engine, war industry,etc.Temperature requirementsVertical annealing furnace can be classified ... steel, tool steel, car bridge, gear box of diesel engine, mining machinery, bridge wall of loader,etc.We can ...