hat
Shengyu fèy do-kay plastik pase 6,000h aje tès pa Lachin Sant Nasyonal Tès pou Chimik materyo pou konstriksyon ak rezilta li yo △ E <4.
eng
Shengyu plastic roof sheet passes 6,000h aging test by China National Test Center for Chemical Building Materials and its result △E＜4.