According to the master plan for building Nghi Son economic zone in Thanh Hoa province by 2025 was approved by the Prime Minister in 2007. Nghi Son environmental joint-stock company is the investor that has built the processing plant discharging Nghi Son to solve the problem of treatment of domestic waste, hazardous waste and industrial waste for Nghi Son economic zone. With a total investment of $ 11 million on a scale of 60 hectares. The project is divided into two phases. Stage 1 is underway.

With experience and skillful workers and modern equipment, AT & T has been appointed by the project management board to supply geotechnical materials and waterproofing works for this project.