Nyob zoo cov npoj yaig:
Thefrp composite panels xaj muab tso rau Lub Xya Hli 25, 2014, los ntawm Kauslim cov neeg siv khoom tam sim no. Thov teem caij nkoj sai li sai tau.
Paub meej raws li qhov txuas hauv qab no:
https://www.frpexpert.com/fiberglass-panels/frp-wall-board/fiber-reinforced-plastic-sheet.html
Jean
Lub Yim Hli 12, 2014