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Expansion Joint Manufacturers in Korea

100 registered factories in Korea report making expansion joints, most of them in Gyeonggi-do, Chungcheongbuk-do, Incheon. Korea exported US$82.7 million of expansion joints in the 12 months to Aug 2026 (down 0.3% on the year before), with United States the largest market.

100factories
9with English names
7with ★3+ verified signals
$82.7 millionexports, 12 months
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Korea's expansion joint exports

US$82.7 million
12 months to Aug 2026 · ▼ 0.3% year on year
Sep 2024: US$6.2 millionOct 2024: US$7.2 millionNov 2024: US$6.8 millionDec 2024: US$7.7 millionJan 2025: US$6.3 millionFeb 2025: US$6.9 millionMar 2025: US$7.2 millionApr 2025: US$6.4 millionMay 2025: US$8.2 millionJun 2025: US$6.7 millionJul 2025: US$6.8 millionAug 2025: US$6.7 millionSep 2025: US$7.5 millionOct 2025: US$5.8 millionNov 2025: US$5.6 millionDec 2025: US$6.3 millionJan 2026: US$6.0 millionFeb 2026: US$5.7 millionMar 2026: US$7.1 millionApr 2026: US$8.6 millionMay 2026: US$6.8 millionJun 2026: US$8.4 millionJul 2026: US$8.4 millionAug 2026: US$6.6 millionSep 2024Aug 2026
Top destinations · share · change
United States30.9% · ▲ 29.9%
Japan13.4% · ▼ 19.4%
Taiwan13.3% · ▲ 49.1%
China10.5% · ▼ 13.8%
Malaysia5.0% · ▲ 84.2%
Source: Korea Customs Service, HS 8307. National totals for the product category, not the exports of the companies listed here.

Where they are

Factories by province
Gyeonggi-do43
Chungcheongbuk-do12
Incheon8
Chungcheongnam-do7
Jeollanam-do6
Gyeongsangnam-do6
Busan5
Gyeongsangbuk-do4
Main industrial complexes
  • Sihwa National Industrial Complex 6 factories · 11,344 tenant companies, 11,213 operating
  • Gwangyang National Industrial Complex 2 factories · 202 tenant companies, 170 operating
  • Myeongji-Noksan National Industrial Complex 2 factories · 1,628 tenant companies, 1,304 operating
  • Gwangyang-Iksin General Industrial Complex 1 factories · 58 tenant companies, 53 operating
  • Gwangju Hanam General Industrial Complex 1 factories · 1,125 tenant companies, 1,125 operating

Suppliers with the strongest public records top 9 of 9

Ranked by signals we can verify in public records: National Pension Service enrollment (actual employees), years in business, Inno-Biz / Main-Biz / venture certification, stock listing, DART filings and nuclear or defense registration. This is not a credit or quality rating.

DAECHANG Corp.대창이엔지(주) 제2공장

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Chungcheongbuk-do★★★★★ verified signals
35 employees enrolled in the National Pension Service; in business since 1998; Files with DART; Inno-Biz certified; Certified venture company
Also makes: Aluminum Products, Plastic Molded Parts

AK Tech Co.,Ltd.(주)에이케이테크

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Suwon, Gyeonggi-do★★★★★ verified signalsWebsite ↗
61 employees enrolled in the National Pension Service; in business since 2008; Files with DART; Certified venture company
Also makes: Home Appliances

Joint Yoochang Thermal Systems Co.,Ltd.조인트유창써멀시스템(주)

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Gimpo, Gyeonggi-do★★★★☆ verified signalsWebsite ↗
18 employees enrolled in the National Pension Service; in business since 1989; Files with DART

Kurbo.Co.,Ltd(주)거보

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Busan★★★★☆ verified signals
36 employees enrolled in the National Pension Service; in business since 1999; Files with DART

SME&C(주)성민이엔씨

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Hwaseong, Gyeonggi-do★★★☆☆ verified signals
8 employees enrolled in the National Pension Service; in business since 2018; Files with DART; Certified venture company

DAWON TECH CO.,LTD다원텍주식회사

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Gimhae, Gyeongsangnam-do★★★☆☆ verified signalsWebsite ↗
in business since 2005; Files with DART

HYUPSUNG LND.CO.,LTD협성실업(주)

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Gyeonggi-do★★★☆☆ verified signalsWebsite ↗
in business since 1975; Files with DART

KWANGDUCK A&T CO.,LTD(주)광덕에이앤티

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Incheon★★☆☆☆ verified signalsWebsite ↗
in business since 2007; Files with DART

NB CONSTRUCTION(주)엔비건설

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Gwangju★★☆☆☆ verified signals
in business since 2015; Files with DART
Also makes: Fabricated Metal Products

What goes into expansion joints

Typical processes: Welding & Welded Structures (770 factories), Sheet Metal & Stampings (781 factories). Materials and parts: Stainless Steel Products, Rubber Products.

Often made together

Korean factories that make expansion joints frequently also make:

Building Materials