Stainless steel: such as 304, 316, etc., have good corrosion resistance and are often used in food processing equipment, medical equipment and chemical equipment.

Aluminum 1100-H14: 1100 series aluminum is one of the purest aluminum series, with good electrical and thermal conductivity, but relatively low strength. H14 means hardened to a certain hardness after cold working. Commonly used for deep drawing processing and decorative applications.