Aluminum shell processing three important links. The selection of aluminum plate. Aluminum is very important. The raw materials for processing Nanjing al Fang Tong are all high quality aluminum or aluminum alloy.
First, the raw materials for the processing of aluminum shell are all high quality aluminum or aluminum alloy. The southwest Chongqing aluminum material is the best, followed by Guangdong aluminum, Shanghai aluminum. These raw materials can guarantee the surface treatment process of aluminum square pass, and directly affect the service life and strength of Al square pass.