Based on the most up-to-date technology accumulated through its wealth of experience in manufacturing diesel engines and a wide variety of precision machinery, HHI produces exhaust gas turbochargers:ABB's TPL/VTR type, and MHI's MET type for turbocharging diesel engines under a technical tie-up with ABB Turbo System Ltd. of Switzerland and Mitsubishi Heavy Industries Ltd. of japan, respectively who themselves have more than 40 years' experience in the field of designing and manufacturing turbochargers.