Hankook Precision Ind. Co., Ltd. was established in 1985. Since then, HPI, under the name of Sunggin Gear, has manufactured machine tool gears, main shafts, spindles, haed stock, tail stock, aprons, feed gear boxes, and so on, After incorporated as Hankook Precision Ind. Co., Ltd. in 1990, HPI has been specializing in manufacturing various kinds of gears satisfying customers' high requirements, such as gears for marine engines, marine pumps, gears for marine steam turbines, gears for turbo air compressors, master gears, and so on 

In spite of its relatively short history, HPI has constantly developed in order to move on to the overseas market though its reputation accumulated in the domestic market, and jumping on to an internationally-recognized company specialized in gears. HPI will continue its ceaseless efforts in product development, All of its employees have a future-and challenge-oriented mind so as to inspire its spirit of aiming at perfect quality into each of its products.