With fully independent design capabilities and by integrating system design, heat exchange tube bundle production, equipment procurement, and construction management, HHI’s proprietary all-aluminum 4-row and 6-row heat exchange tube bundles can offer superior heat transfer performance, minimal water resistance and low air resistance. The company’s indirect air-cooled towers with innovative hyperbolic steel structure are known for excellent seismic resistance, reduced on-site construction period, recyclability and energy efficiency. Several completed 660MW and 1000MW direct/indirect cooling EP and EPC projects have demonstrated reliable and safe operation. HHI is one of the major suppliers in the industry with overall air-cooling system solutions.