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21 2024-12 Advantages of Titanium&Memory Frame
Titanium is a metal with advantages such as low weight to weight ratio, high strength, and corrosion resistance, making it widely used in the medical field. A memory rack is a malleable metal alloy that can restore its original shape under stress.
21 2024-12 Material of optical eyeglass frame
There are many types of materials for optical eyeglass frames, and common materials include:Metal materials: such as steel, aluminum, nickel silver, etc.Plastic materials: such as cellulose acetate, nylon, etc.