In March, 2017, The twin sessions in China are held on scheduled time. Reviewing the 2016, Chinese economics has achieved the 6.7% growth in whole year. Looking forward to 2017, China government will set 6.5% economic growth target. In the opinions of International Observer, Chinese economic growth keeps a stable and rapid speed. It is the reasonable development. Chinese economic sustained development also makes a great contribution to the economic in the whole world. Chinese economic development also promotes the rapid development of many kinds of industrial, especially, the aluminum industrial. In recent years, aluminium sheet rolls products are popular with the customers in daily life. 3000 series aluminum roll, which is mainly divided into 3003 and 3A21, is also called the antirust aluminum roll. Chinese manufacturers are good at the 3000 series aluminum roll production technology. Manganese is the main element of 3000 series aluminum roll, which is between 1.0 and 1.5. 3000 series is usually regarded as the best antirust aluminium sheet rolls. Usually applied for the fridge, air conditioner, chassis and other wet conditions. But the price of aluminum roll will be higher than 1000 series. But 3000 series aluminum roll still will become the best popular aluminium sheet rolls products.