The difference in titanium price is not only in price but more importantly, they each have unique processes and product performance. So if the cheapest eyeglasses frame is not made of that material, the price will be higher.

Only titanium materials with a purity of over 99% can be considered pure titanium glasses. The mirror frame made of pure titanium material has excellent characteristics such as high melting point, light material, strong corrosion resistance, and firm electroplating layer, which can ensure the two important properties of the beautiful and durable cheapest eyeglasses frame.

Beta titanium can be understood as another molecular state of titanium material. Although the purity of beta titanium cannot be compared to pure titanium, its strength, fatigue resistance, and environmental corrosion resistance are superior to pure titanium.

The definition of titanium alloy is quite broad, and any material containing titanium can be called titanium alloy. Therefore, the quality and grade of titanium alloy glass frames vary, and the composition of titanium alloy directly affects the price of titanium alloy glasses. Using titanium alloy to make the cheapest eyeglasses is not to reduce costs, but to improve the material's application performance.

Shape memory alloy is composed of metals such as nickel, titanium, and vanadium, which have superior elasticity. When the mirror legs encounter external forces, the degree of bending can exceed BETA titanium alloy and can be restored to its original state, so it is named shape memory alloy.

TR90 is a polymer material with memory properties, which is relatively lightweight and less than half the weight of the board frame. It can reduce the burden on the nose bridge and ears, making it more lightweight and comfortable to wear. The colors are bright and outstanding compared to ordinary plastic frames.