Graphitized petroleum coke carburizer is a high-carbon, low sulfur and low nitrogen carburizing agent obtained by high-quality raw coke calcined at 3000 ℃ in graphitization furnace. It is suitable for any kind of cast iron and steel carburizing process. I
This kind of Wall Mounted Gas Water Heater also known as gas water heater, refers to a gas appliance that uses gas as a fuel to transfer heat to the cold water flowing through the heat exchanger by combustion heating to achieve the purpose of preparing ho