Erjian:
"Second Construction" is a professional qualification of architecture and a necessary condition for being a project manager. Those who have passed the qualification examination of "second-class constructor" shall be awarded the "People's Republic of China (PRC) (People's Republic of China (PRC)) second-class constructor qualification certificate" by the personnel departments of provinces, autonomous regions and municipalities directly under the Central Government. Construction engineering laws and regulations and related knowledge, construction engineering management, professional engineering management and practice. Specialty: construction engineering, water conservancy and hydropower engineering, highway engineering, municipal public works, mining engineering, electromechanical engineering.