The infrastructure construction project of Linyi Lingang Economic Development Zone is an infrastructure construction project undertaken by JanbonGroup in BT mode. The project includes the construction of road paving, dangerous bridge reconstruction, municipal pipe network and greening in Linyi Lingang Economic Development Zone, with a total investment of about 3 billion yuan. At present, the project has been delivered as a whole and has played an important role in promoting the economic and social development of the Lingang Economic Development Zone.