Frame width
Too wide: If the frame width is too large, the glasses are easy to slide on the face, especially in some light exercise or facial sweat, this situation will be more obvious. At the same...
Beautiful eyes are an effective “weapon” for hunting the heterosexual. Women in the new era, and even men who are at the forefront of developing trends, already have a great need for ...
Relevant standard
Ultraviolet protection factor (UPF)
Definition: UPF is a measure of the ability of a fabric or material to block ultraviolet light, and in the case of sunglasses, it reflects the ...
The frame, as an important part of the glasses, not only carries the function of supporting the lens, but also an important carrier to show the wearer’s personal taste and style. In the marke...
Metal material
Titanium alloy
Features: It has the advantages of light weight, high strength, corrosion resistance, not easy to deformation, and small irritation to the skin, suitable for long-term...
China
Relevant standards: mainly based on GB 10810.3-2006 “Glasses lenses and related glasses products Part 3: Transmission specifications and measurement methods” and GB/T 14214-2003 &...