Ana amfani da tubalan birki na roba, wanda ba zai lalata ƙafafun kuma zai daɗe ba
Aluminum alloy handrail tare da murfin filastik anti-a tsaye, ƙarin jin daɗi
Babban abu na ƙafar ƙafar ƙafafun an yi shi ne da roba na halitta, tare da mafi kyawun elasticity da shiru.