The country a series of preferential agricultural policies, will promote the development of modern machinery agricultural harvesting machinery, large and medium-sized tractors, agricultural, forestry, animal husbandry, expected transmission chain with demand will be increased; and with the improvement of people's living standard, motorcycle, car ownership is increasing, the development potential of the parking equipment and food beverage industry of the huge demand, which makes the motorcycle chain can still maintain a moderate growth, high-grade automotive chain huge market space, used in the grain and oil, food, drink and so on industries chain, stainless steel non-standard chain will become a new economic growth point of the industry; and the macroeconomic regulation and control, metallurgy, mine, cement, engineering machinery and other industries will be further developed, therefore, demand for mining, petroleum, electric power, cement, metallurgy, engineering machinery industry ad