The 600 x 400 x 240mm dimensions are commonly used for stackable and nestable plastic storage crates and containers used in various industries for logistics, warehousing, and distribution. 

These crates are ideal for moving materials in closed-loop systems, like in e-commerce, warehouses, and distribution centers. 

They are used in various industries, including e-commerce, warehouses, auto parts distribution, supermarkets, retail chains, and logistics.