|Frame weight decrease||ㆍ Light by one third against steel.
ㆍ Slim and concise.
|Frame life expectancy||ㆍ Over 25 years for Aluminum frame
ㆍ against less than 10 years for steel
|Construction duration curtailment||ㆍ Available to work by one person due to lightness
ㆍ Shortened in working time helped by 100% assembling structure
|Corrosion||ㆍ Ascertained with no rust and corrosion.|
|Quality assurance||ㆍ 10 years' warranty|
Frame assembling type
Corrosion comparison by time