Wenzhou is one of the most prominent cities. Wenzhou is regarded as the “Optical Capital of China” and has a large number of wholesale markets that can meet the global demand for glasse...
Plate frames are a type of eyeglass frame made of plate materials, which have become increasingly popular in the market in recent years. Plate materials are usually a plastic synthetic mater...
Metal, TR90 and other materials of the sunglasses frame is more durable, the following is the specific analysis:
Metal material
Strong and durable: The metal has high strength and hardness and is n...
When discussing the question of whether sunglasses are better polarized or unpolarized, we first need to clarify the core differences between the two and their applicability in different scenarios....
Optometric data
Accurate degree: Go to a professional eye institution or optician for optometry to obtain accurate myopia, farsightedness, astigmatism degree and axial position data. This is the ba...
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 ...