DHHI.Founded in 1993 and headquartered in Dalian, Liaoning, DHHI is a leading high-end equipment manufacturer. It specializes in metallurgy, ports, energy and other nine fields, providing intelligent equipment and full life cycle services, and its products are exported to more than 90 countries. Relying on the national technology center, postdoctoral workstation and other R & D systems, it has the ability to design and manufacture electromechanical-hydraulic integration, and its service-oriented manufacturing model leads the industry in innovation.