Los ntawm 3rd Lub Xya hli ntuj 2019 txog 5 Lub Xya hli ntuj 2019, Shanghai Rutrifib tau nthuav tawm 2019. Shanghai Ruifas conconstrates ntau tshaj kaum xyoo, peb lub ntsiab Cov khoom lag luam clim, fiberglass mesh, fiberglass mesh daim kab xev thiab lwm yam.