hat
Shengyu FRP fèy ekleraj, manbràn anti-aje li yo kapab prèske totalman filtraj siplemantè-vyolèt, epi fè lavi sèvis plis pase 20 ane sa yo.
eng
Shengyu FRP daylighting sheet, its anti-aging membrane can almost totally filtrate extra-violet and make service life over 20 years.