Tongil Industries Company

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The Tongil Industries Company Co., Ltd., (in short the “TIC”), is a South Korean heavy industry company headquartered in Changwon City, South Korea. TIC was founded in July, 1988 originally as the Jin Heung Machinery Co., Ltd. As of 2011, it comprises 4 business divisions; Machine tools, Ball Screws, Automobile Components and Heat Treatment. The Tongil Industries is a subsidiary of the TONGIL Group, a South Korean business conglomerate (chaebol) managed by Kook Jin “Justin” Moon, a U.S. citizen with a Korean ethnical background, who currently serves as Chairman of the group. The Tongil Industries currently have 3 locations; Korean headquarters, TIC-Europe (subsidiary in EU zone), and a US agent office.


  • 1988 July: Founded as Jinheung Machine Co., Ltd.
  • 2006 December: Merger with Dongyang Co., Ltd. and Sun Il Co., Ltd.
  • 2008 August: Merger with Jinheung Co., Ltd. and Dukheung Co., Ltd.
  • 2008 October: Change company name to the Tongil Industries Company Co., Ltd. (“TIC”)
  • 2011 September: EMO Exhibition with TIC-Europe
  • 2012 April: SIMTOS 2012 - Developed the TONGIL TNIG-200(NC Internal Grinding Machine)

Excerpted from [1]

Certification and Quality Control[edit]

  • ISO 9000 Certification
  • ISO 9002 Certification
  • TS 16949 Certification
  • QS 9000 Certification (Korean Foundation for Quality)
  • ISO/TS 16949:2002 Certification (Korea Quality Assurance)

Excerpted from [2]

Machine Tool Division[edit]

TIC specializes in five types of grinding machines; universal cylindrical grinders, CNC cylindrical, angular grinders, 5 axis CNC tool grinders and special purpose grinding machines.[3] The TIC brand is particularly known for its manual & NC O.D. cylindrical grinders in the South Korean market with 60% in domestic market share.[4] With the aid of in-process gauging systems from Marposs, it is specified that the cylindrical grinders can achieve an accuracy of 1 micron.[5] It is broadly understood that the mechanism of the hydrodynamic spindle bearings, hydrostatic guideways in the X-axis and hand scraped guideways are the main attributes in accuracy of the cylindrical grinders. The company has recently made their debut of its manual & CNC cylindrical grinder under the brand name “TONGIL” during the EMO 2011 shows.[6] It made its first presence in the European market in partnership with a German distributorship, Saeilo Germany.

Ball Screw Division[edit]

TIC is the only domestic manufacturer in Korea (as of 2011) with the technological capability to produce high-precision ball screws from the level of C7 up to C3.[7] The company built a technological affiliation in year 2003 and started an OEM relationship in year 2008 with the Koyo Machinery (a company of the JTEKT Corporation) of Japan and has continued business relationships ever since.[8]

Automobile Component & Heat Treatment[edit]

Builds transmission, commercial axle, independent suspension axle, carrier sub-assembly, ring & pinion, sun gears and other parts for Hyundai, Dymos, GM Daewoo, Ssangyong, S&T, Doosan, Oshkosh, Tagaz and other companies.


Machine Tools

  1. Manual Universal Cylindrical (O.D.) Grinding Machine
  2. NC Universal Cylindrical (O.D.) Grinding Machine
  3. CNC Angular Grinding Machine
  4. 5 Axis Tool Grinder
  5. Special Purpose Grinders

Ball Screws

  1. Deflector type
  2. Tube type
  3. Roll type
  4. End-cap type
  5. High-lead type

Automobile Components

  1. Transmission
  2. Axle
  3. Carrier case
  4. Gear sets (ring & pinion, differential, spider, bevel gear)

Product information excerpted from [9][10]

Recent Development[edit]

  • TONGIL TNIG-200: NC Internal Grinding Machine
  • First debut at the SIMTOS 2012

Reference [11]

Company Culture[edit]

As its subsidiary, TIC is driven by a uniformed policy and management principle coherent to its parent entity, the TONGIL Group.[12]


Company Description[edit]

Type Private
Industry Heavy Industry
Founded August, 1988
Headquarters Changwon City, Republic of Korea (South Korea)
Areas Served Korea, United States, Canada, Japan, Russia, China, Taiwan, India
Products Machine tools, ball screws, automobile components
Revenue 52 Million US dollars
Employees 211
Parent Entity TONGIL Group
Affiliated Companies Koyo Machinery, Saeilo Germany, Shinjeong Development Co.
Website Korean Headquarters:

TIC Europe: US Agent: