-
UVA wavelength 320 ~ 420nm, also known as long wave dark spot effect of ultraviolet, it has a strong penetration, UVA can direct to the dermis of the skin, destroy elastic fibers and collagen fibers, the skin tanning.
292023-06 -
As we all know, mercury is highly toxic, mercury leakage has a very serious harm to the human body and the environment. In 2020, China has signed the Minamata Convention, which prohibits the production and sale of mercury and products containing mercury. 128 countries have signed the Minamata Convention, which also shows the attitude of mercury lamps.
102023-01 -
On December 15, 2022, Qingdao Yingguang won the "Top Ten revenue of UV LED module", which won unanimous recognition and high praise from inside and outside the industry.
162022-12
