주식회사두인 / DOOIN CO.,LTD.

Also known as 두인 · DOOIN
주식회사두인 (DOOIN CO.,LTD.) is a Korea-based business registered at Namdongseo-ro, Namdong-gu, Incheon (Postal code: 21628). It operates as a head office of a for-profit corporation. It was incorporated at the Incheon District Court, Registry Bureau. 주식회사두인 (DOOIN CO.,LTD.) falls under the Manufacturing industry. It operates within the Plastics & Resins sector, specifically focusing on Manufacture of synthetic resins and other plastic materials business activities. It has 50–99 employees. According to KOBDi Industry Ranking system, 주식회사두인 (DOOIN CO.,LTD.) scored 71.36 points (down 0.29 points since August 2026) and outperforms approximately 82% of companies in the same industry. Recent performance indicators include: Employee growth: -11.27% (industry average: -4.19%).
주식회사두인은 인천광역시 남동구에 있는 합성수지 및 기타 플라스틱 물질 제조업 기업입니다.
848-**-*066* 1201**-0860***

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인천광역시 남동구 남동서로 (21628)
Namdongseo-ro, Namdong-gu, Incheon (21628)
Head office of a for-profit corporation
Manufacturing > Plastics & Resins > Manufacture of synthetic resins and other plastic materials
September 2026
-11.27%
2025-2026
-16.69%
71.36
▼ 0.29 pts (vs. August 2026)
Top 19%
September 2026

DOOIN CO.,LTD.'s KOBDi Score is 71.36 as of Sep 2026, down 34.83 points since Apr 2025; it rose in 4 and fell in 7 of the 12 monthly updates. As of Sep 2026 it is ahead of about 82% of companies in its industry, against 82% in Aug 2026 and 96% in Apr 2025. Its strongest position was 96% (May 2025) and its weakest 82% (Sep 2026).

A year earlier, in Aug 2025, its score was 105.08 and it was ahead of about 95% of companies in its industry.

Sep 202671.36ahead of 82%
Aug 202671.65ahead of 82%
Jul 2026104.39ahead of 95%
Jun 2026104.38ahead of 95%
May 2026104.19ahead of 95%
Apr 2026104.51ahead of 95%
Mar 2026104.51ahead of 95%
Feb 2026104.62ahead of 95%
Dec 2025104.44ahead of 95%
Aug 2025105.08ahead of 95%
Jul 2025104.99ahead of 95%
May 2025105.55ahead of 96%
Apr 2025106.19ahead of 96%

Between 2025 and 2026, the headcount of DOOIN CO.,LTD. changed by -11.27%, against an average of -4.19% in its industry. It now has 50–99 employees.

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삼원화학주식회사
SAMWON CHEMICAL CO.,LTD.		 30–49 Top 19%
서륭물산(주)
SUH RHUNG MOOL SAN C		 1–4 Top 19%
(주)한국엠큐
MQ KOREA		 1–4 Top 19%
주식회사 새롬테크
SAEROMTECH CO.,LTD		 1–4 Top 19%
에스피 주식회사
SP		 1–4 Top 19%















Financial statements on file for DOOIN CO.,LTD.: 2020–2024.

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인천광역시 남동구 남동서로 (21628)
Namdongseo-ro, Namdong-gu, Incheon (21628)
Where is DOOIN CO.,LTD. located?

DOOIN CO.,LTD. is registered at Namdongseo-ro, Namdong-gu, Incheon, South Korea (postal code 21628).

What industry is DOOIN CO.,LTD. in?

DOOIN CO.,LTD. belongs to Manufacturing › Plastics & Resins › Manufacture of synthetic resins and other plastic materials.

How many employees does DOOIN CO.,LTD. have?

DOOIN CO.,LTD. has 50–99 employees.

What is DOOIN CO.,LTD.'s KOBDi Score?

71.36 as of September 2026, ahead of about 82% of companies in its industry.

Who are DOOIN CO.,LTD.'s competitors?

Similar companies include SAMWON CHEMICAL, SUH RHUNG MOOL SAN C and MQ KOREA.

Which businesses are near DOOIN CO.,LTD.?

Businesses registered at the same postal code (21628) include 공성지퍼, 두원이엔지 and 엘케이테크. Most work in electric motor and generator manufacturing, institutional cafeteria business and mold and mold manufacturing.

Businesses near DOOIN CO.,LTD.

Registered at postal code 21628 (남동서로, 남동구). Most businesses here work in electric motor and generator manufacturing, institutional cafeteria business and mold and mold manufacturing.

Other manufacture of synthetic resins and other plastic materials companies in 남동구

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