The third phase of Chongqing Jiangbei Airport expansion work cost total investment of 3.6 bln yuan. After the expansion, the passenger freight capacity of its second terminal building will reach 20 mln person-times. AST roofing system, as the first choice in large-scaled roofing construction, was also found favor in Jiangbei Airport project.
 
Roofing system: AST-65 Vertical overlocked Al-Mn-Mg alloy roofing system;
Main materials: 1.0mm Al-Mn-Mg alloy roofing panel
Main panel shape: AST-65 straight panel (bend panel)
Roofing area:15000㎡