Cov khoom siv sab hauv yog polyurethane ua npuas ncauj uas muaj qhov zoo tshaj plaws ntawm kev rwb thaiv tsev kub.Nws yog ib yam khoom tshiab uas nquag
siv rau hauv tub yees thiab khaws cia.Muaj ntau hom qauv thiab qhov ntev polyurethane ua npuas ncauj board.Peb tuaj yeem ua tau raws li koj qhov kev thov.
Cov hlau saum npoo muaj xws li xim hlau, stainless hlau thiab galvanized steel ntawv.Koj tuaj yeem xaiv tau dawb.Lub vaj huam sib luag hlau thiab sab hauv
cov khoom yog molded thiab bonded nyob rau hauv ib lub sij hawm.