This project is an aggregate production line with a production capacity of 1.5 million tons/year. According to the requirements of the employer, the contractor is responsible for providing aggregate production line installation works from the limestone discharge pit in the factory to aggregate processing and production, and storage of finished products. The scope of this project includes structural fabrication and installation, non-standard fabrication and installation, equipment installation, heating and ventilation installation, electrical installation, etc., and is completed in a single machine commissioning. Now the project is proceeding in an intensive and orderly manner. It is planned to complete the installation of structure, equipment, non-standard, etc. this month, and complete the commissioning and commissioning.