Since 1986, Dongseo Heat Treatment has been with Korea’s Ppuri Industry for over 37 years. Despite the difficult environment, the company is growing into the global market through dedication of effort to becoming a heat treatment specialist. Dong Seo Heat Treatment is satisfying customers and winning their trust with its heat treatment technological power for automobile, heavy equipment, agricultural machinery, and shipbuilding engine parts. 

In addition, by introducing the smart ERP system, the company has achieved advancement and integration of production process. Putting people first, Dong Seo Heat Treatment, through innovation and technological development, is establishing itself as a leader in the heat treatment industry to make imagination a reality.

Information

Address

Head Office: 265, Noksansaneopjung-ro, Gangseo-gu, Busan Met- ropolitan City, Korea

Tel

+82-51-941-7321

Fax

Website

http://www.dongseoht.co.kr

Products

Automobile parts, heavy equipment parts, agricultural machinery parts, shipbuilding engine parts, industrial machinery parts, etc.

Certifications

ISO 9001, ISO 14001, IATF 16949, SQ Mark (Grade A) from Hyundai Motor Company and Kia Motors

Production Facilities

ACF heating furnace, pit-type heating furnace, vacuum purgetype nitriding furnace, high-frequency heat treatment system, pit-type gas nitriding furnace, vacuum cleaning machine

Ppuri Technologies

Surface hardening technology for aluminum alloy engine parts to reduce vehicle weight

History

Sep. 1986 Dong Seo Heat Treatment Industry established

Feb. 1991 Built and relocated to new plant (Samnak-dong)

Oct. 1999 Commenced Noksan Plant operation (current Noksan branch)

Apr. 2005 Won Iso/TS 16949 certification

Jun. 2006 Won SQ Mark (Hyundai Motor Company and Kia Motors)

Jan. 2012 Commenced operation of Noksan Plant 2

Jun. 2015 Won Minister of Trade, Industry and Energy Award, and ISO 14001 and ISO 18001 certifications

Sep. 2019 Won Prime Minister’s Award and Minister of SMEs and Startups Award at the Ppuri Technology Contest

Apr. 2021 Commenced construction of new plant in Mieum

Jul. 2021 Converted Dong Seo Heat Treatment Plant 1 to corporation (Dong Seo Heat Treatment Co., Ltd. Noksan branch)

Business Details and Production Items

Gas carburization, gas carburization and nitriding, gas nitriding, gas nitrocarburizing, salt bath nitriding, high frequency processing, QT, annealing, normalizing, SR, subzero

Features

Established advanced production process system of sales (receiving and shipping management, receiving inspection) - production (wok standard, process transfer table) - quality control (shipping inspection, follow-up management) based on the ERP system

Key Products

Carburization products (gears, pinion gear, ring gear, piston pin, spool, carrier, nipples)

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High-frequency heat treatment and nitrification products (valve, seat ring, jaw, fork, drum/shaft, plate, reaction shaft, lock nut, piston)

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Production Facilities

• ACF furnace
• Pit-type furnace
• ACF furnace
• High-frequency heat treatment facility
• Vacuum purge-type nitrification facility
• Vacuum purge-type nitrification facility
• Pit-type gas nitrification facility
• Vacuum cleaning facility