Bolted silois suitable to store grain, seed, feed, cement, coal and other particle or powdery materials. It is widely used in grain storage, flour, starch, alcohol, rice, oil, malty, beer, ports, farms and food processing, coal mine and other industries. It can be used as temporarily warehouses, transit, warehouses, materials warehouses and grain storage.1. Bolted silos has the following advantages: a. Less basic cost with lightweight, low request for foundation, low consumption of steel. b. High degree of standardization. Our company can produce the standard components to realize the standard, common, series according to the users requirements. c. Simply installation with short period. d. Realize mechanization easily. e. Maintain easily. f. Low cost and long using periods. 2. Outline Dimension Steel silo mostly include the series of silo with cone and the series of plate silo. There are more than 200 models for users to choose.