Undertake various types of site restoration projects for contaminated sites, including those left over from historical and project relocation, as well as site restoration and construction of heavy metals, volatile organic compounds, semi-volatile organic compounds and persistent organic pollutants formed by landfill leakage, mine development and other wastes. Company specialized technical personnel with rich experience in the repair scheme design and construction organization, through scientific technology, the choice of governance into foreign advanced equipment and the construction concept, rigorous test to determine the process parameters, optimization of construction scheme, strictly control the secondary pollution, establishing and implementing the comprehensive quality and construction safety and health management system to complete the modification work.