Mainly included the Blast Furnace Electric slide gate valve, Eccentric Metal seal butterfly valve, Blast Furnace Pneumatic Isolation Valve, Blast Furnace Hydraulic IsolationValve, Blast Furnace Hydraulic Triple Offset Butterfly valve, Blast Furnace ElectricIsolation Valve, Blast Furnace Electric Eccentric Butterfly valve, and Blast FurnacePneumatic Ball Valve.