The tank farm is designed into two areas: the east and the west. There are 19 tanks with a total volume of 50,000 cubic meters, of which ten are made of stainless steel, two carbon steel coated with aluminum or zinc, which could reduce the loss caused by volatilization. And ten of them are with nitrogen blanket, which can help storing moisture-absorbed materials. Moreover,all the tanks are equipped with auto-detecting liquid level gauge and thermometers approved by the customs.