This large-capacity industrial protective box with telescopic pull rod roller, external size 810540310mm, internal size 745488265mm, net weight 9.05KG. The box adopts thickening and modified PP polypropylene integrated high-pressure injection molding, the back hides the multi-stage telescopic lever, the bottom with the mute wear-resistant double roller wheel, with multiple sets of self-locking spring locking, box cover surround rubber seal, with IP67 waterproof and dustproof, heavy-duty anti-wrestling pressure protection standards. The large and layered inner warehouse can be arranged as needed with the box cover wave buffer cotton, layered hand tear sponge, CNC integrated molding positioning lining, which can not only fully store a complete set of outdoor camping cookers, lamps, stoves, picnic accessories, but also can be loaded with industrial testing instruments, film and television shooting sets of equipment, complete sets of maintenance tools. Pulling rod roller design greatly reduces the full load load, adapts to outdoor camping, field mapping, crew field, long-distance logistics and other scenes, sealing and buffering double protection, to avoid equipment bump damage, moisture into the water.