Aluminum Ingot We use food-safe aluminum alloy to ensure the quality of the coffee machine, and the aroma will not affect the pure flavor of the coffee. It is also resistant to corrosion and rust and is easy to clean.valveThe Moka pot uses a unique valve system, relatively high pressure, the oil becomes more concentrated and the espresso is made with the family, giving a rich and attractive aroma.Induction stove Suitable for stove, induction stove, electric stove, ceramic stove, alcohol burner and gas stove When exposed to an open flame, the bottom may turn black, which does not affect the use.Enjoy your coffee Burner Coffee Machine It's easy to get all kinds of fine coffee and it's good too. Add some water to American style, milk latte and cappuccino coffee.