Logistics function is in the logistics system function, including transportation, storage, circulation processing, distribution, handling, packaging and information processing and other elements. Logistics is called the "third profit source", and transportation is the source of the third profit source. Transport is a variety of equipment and tools, goods from one place to another logistics activities, including collection, distribution, handling, transit, loading, unloading and dispersion of a series of operations, and efficient low-cost transport capacity, is the enterprise to achieve efficient production and a large number of sales of the conditions, to achieve the development of the machine enterprise.