Learn why ordinary stainless steel lunch boxes may spark or heat unevenly in a microwave, and how microwave-safe models are specially designed, tested, and validated.

Learn why 304 stainless steel can become magnetic after deep drawing, how to verify the material grade, and which material and heat-treatment options can reduce magnetism.

A B2B Sourcing Guide for Deep Drawn Food Containers and Tableware
How material choice affects food-contact safety, corrosion resistance, manufacturing quality, and long-term brand value.