Cov khoom siv twg ruaj khov tshaj plaws rau cov rooj zaum sab nraum zoov?

Cov khoom siv ruaj khov tshaj plaws rau cov rooj zaum sab nraum zoov yog Ntoo yog: Ntoo qhib / Hlau yog: Aluminium alloy / Cast aluminium / Stainless steel 304 cov khoom saum toj no.

Aluminium alloy: nag thiab hnub, tiv thaiv nag thiab hnub yaig, tiv thaiv corrosion, tsis yooj yim rau xeb, tsim nyog rau kev siv sab nraum zoov
Cast aluminium: nag thiab hnub, tiv thaiv nag thiab hnub yaig, muaj zog heev, lub neej ntev Haum rau kev siv sab nraum zoov
Cov khoom siv stainless hlau 304 saum toj no kuj ruaj khov heev, nrog cov khoom tiv taus corrosion, tsim nyog rau kev siv sab nraum zoov ntev
Oak: durability: tsis yooj yim rau rot thiab kab, cov qauv meej, cov qauv muaj zog, muaj zog tiv thaiv corrosion, siab stability, tsis yooj yim rau deformation
Teak: tsis muaj dej / tiv thaiv xeb / pwm / mildew / noo noo thiab tiv thaiv kev tawg, lub neej ntev