GM2122 -stainless steel 5pcs food container -Advanced Welding Technology and polishing Technology -five commodities portfolio ... high quality stainless steel, has applied for patents. Storage Box has a good seal to prevent fluid flow, heat, the ... wave oven, refrigerator. Material: stainless steel + PP1, stainless steel box (bowl)-type high grade stainless steel refining, corrosion-resistant, non ...