According to the statistics, machinery processing industry production 1 ton every product, electric wire rope hoists in the process of processing to loading and unloading, carrying 50 tons of material in the process of casting to carrying 80 tons of materials. 1 tonnes per smelting in metallurgical industry, it is necessary to carry 9 tons of raw material, the workshop between the capacity of 63 tons, workshop within the capacity of 160 tons. Lifting transportation cost also has a higher proportion in the traditional industries, foundry crane such as machinery manufacturing for lifting transportation costs 15-30% of all production costs, metallurgical industry for lifting transportation costs 35-45% of the total production cost, loading and unloading of goods storage transportation industry relies on lifting transportation machinery