Product characteristic class
The principle and application of polarized sunglasses: mainly involves how the polarized lens filters the light in a specific direction, reduces glare, and the practica...
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 ...
Hd lens or anti-blue lens which is good?
When choosing eyeglass lenses, consumers often hesitate between high-definition lenses and anti-blue lenses. These two lenses have their own advantages and ...
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 &...
Metal material
Round face: suitable for square or rectangular metal eyeglass frames, such as pure titanium square frames. Its hard lines can neutralize the roundness of the round face, making the f...
To determine whether the surface treatment process of titanium sunglasses frame is proper, you can start from the following aspects:
Observation appearance
Color uniformity: Properly processed fram...