... tools that can be used in an assortment of situations. Aluminum multi folding ladder(aluminum step ladder ... 2, 4 x 3, 4 x 4) The uses of aluminum platform ladder are as follows: (a) You ... also be used as a double-step ladderMost of our products have EN131/SGS certificate,some passed ... Norway, South Africa, Turkey, SOUTH Korea, Japan, etc.Some of our main customers: "METRO", "ALDI", "SAINT-GOBAIN".If ...