(1)Easy operation,widely used,long lifespan (2)Specification ,fixed capacity, make the warehouse ea (1)Easy operation,widely used,long lifespan(2)Specification ,fixed capacity, make the warehouse easily check (3)Used in the transportation,load and unload,storage (4)Specification as the required or the according to the standard(5)Material: high quality steel (6)Surface treatment:galvanization or ...