... ,1.2mm 3.EN131, AS/NZS 1892,SGS Certificate 4.good price Household Aluminium Ladder, Household Step Ladder, Household Folding Ladder, Aluminum Folding Ladder, Aluminum Step Ladder, Household ... platform and put 150KGS goods in the middle. After 30 hours, Check extend and fold function. 4-step household step aluminum ladder with CE ...