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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 -
shining years should dare to dream and try
082023-06 -
On June 7th | the 15th Shanghai International Water Fair of Qingdao Fluorite came to a perfect close
The 3-day Shanghai International Water Show from June 5th to June 7th came to a perfect end. This international water exhibition comprehensively displays sludge disposal, wastewater evaporation, waste water equipment, village water environment, whole house/household/commercial water purification and other fields, providing water treatment technology solutions for multiple application scenarios.
072023-06
