Full List of API Manufacturers in South Korea (2025)

Major API manufacturers in South Korea include Kyongbo Pharm, SAMOH Pharm, Dong-A ST, SHINPOONG CO,. LTD, J2HBIOTECH, Kukjeon Pharm, and SK pharmteco.

These API (Active Pharmaceutical Ingredient) plants manufacture high-value APIs, novel polymorphs, specialized intermediates for injectable, peptides APIs, and also offers Contract Development and Manufacturing (CDMO) services.

The Korean government supports R&D activities and API manufacturing through tax breaks on R&D spending and preferential loans for API manufacturing facilities.

API Manufacturers in South Korea

AK BIOPHARM CO., Ltd.

81, Sanggae-ro, Nam-gu, Ulsan,
44787, Republic of Korea

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Tel: 052-259-4500
Fax: 052-259-4560
E-mail: akbio11@aekyung.kr
http://www.akb.co.kr/

Boryung Pharmaceutical Co., Ltd.

Boryeong Building, 136,
Changgyeonggung-ro,
Jongno-gu, Seoul

Tel: 82 274 043 47
https://boryung.co.kr/en

BR Pharm Co., Ltd.

Sinpyeong-ri, 1062 Wonju-si,
Gangwon-do, South Korea

Tel: 02-2148-6700
Fax: 02-2148-6777
E-mail: brpharm@brpharm.com
https://brpharm.com

Celltrion

Plant 1:
23, Academy-ro, Yeonsu-gu,
Incheon, Republic of Korea

Plant 2 & 3:
20, Academy-ro 51 beon-gil, Yeonsu-gu,
Incheon, Republic of Korea

Web: https://www.celltrion.com

CKD Bio Corp.

Head Office:
CKD building, 8, Chungjeong-ro,
Seodaemun-gu, Seoul, KOREA
Phone: +82-2-2194-0555
Fax: +82-2-2194-0556
E-mail: intl@ckdbio.com

Ansan Plant:
292, Sinwon-ro, Danwon-gu,
Ansan-si, Gyeonggi-do, KOREA
ZIP CODE: 15604
Phone: +82-31-489-1000

Osong Plant:
22 Osongsaengmyeong 4-ro, Osong-eup,
Heungdeok-gu, Cheongju-si,
Chungcheongbuk-do, KOREA
Phone: +82-43-290-9400

Yesan Plant:
226 Sandan 3-gil, Sapgyo, Yesan-gun,
Chungcheongnam-do, KOREA
Phone: +82-41-330-3900

Web: https://www.ckdbio.com

Daebong LS Co., Ltd.

Headquarters and Incheon Factory 1:
123 Neungheodae-ro 649 beon-gil, Namdong-gu,
Incheon Incheon

Factory 2:
28 Neungheodae-ro 625 beon-gil,
Namdong-gu, Incheon

Jeju Factory:
Bio-Convergence Center Building No. 2 Suite 105,
Jeju Techno Park, 102 Jejudaehang-ro,
Jeju-si, Jeju

Tel: +82-32-712-8800
Fax: +82-32-817-8808
http://www.daebongls.co.kr/

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Daewoong Pharmaceutical Co., Ltd.

114-12, Bongeunsa-ro, Gangnam-gu,
Seoul, Republic of Korea

E-mail: opencollaboration@daewoong.co.kr
http://crm.daewoong.co.kr

DongBang Future Tech & Life Co Ltd.

HQ Factory:
78, Jeyakgongdan 4-gil, Hyangnam-eup,
Hwaseong-si, Gyeonggi-do,
Republic of Korea
Tel: +82-31-354-1114
Fax: +82-31-354-5149

Seoul office:
9, Donhwamun-ro 11-gil, Jongno-gu,
Seoul, Republic of Korea
Tel: +82-2-741-7516~7
Fax: +82-2-741-7525

Web: https://dongbangftl.com

Dongkook Pharmaceutical

715, Yeongdong-daero, Gangnam-gu,
Seoul, Republic of Korea

Tel: +82-2-2191-9800
Fax: +82-2-6234-0483
https://www.dkpharm.co.kr/

DONG-A ST

Head office:
64 Cheonho-daero,
Dongdaemun District, Seoul
Phone: +82-2-920-8111

Research Center:
21 Geumhwa-ro 105beon-gil, Giheung-gu,
Yongin-si, Gyeonggi-do
Phone: +82-31-280-1400

Songdo Research Center:
45 Jisikgiban-ro,
Yeonsu-gu, Incheon
Phone: +82-32-610-0300

Web: https://www.donga-st.com

Dong Wha PHARM. Co., Ltd.

Building 1897, 20 Seosomun-ro 9-gil,
Jung-gu, Seoul, 04516, KOREA
Tel: +82 2 2021-9300
Fax: +82 2 2021-9427

Plant:
167, Chungjusandan 1-ro, Chungju-si,
Chungcheongbuk-do, 27327,
KOREA
Tel: +82 43 841-0700
Fax: +82 43 842-7300

Research Institute:
71, Tapsil-ro 35beon-gil, Giheung-gu,
Yongin-si, Gyeonggi-do, 17084,
KOREA
Tel: +82 31 270-0600
Fax: +82 31 283-0057

Web: https://www.dong-wha.co.kr/

ESTECHPHARMA Co., Ltd.

HEAD OFFICE(R&BD Center, cGMP Factory)
34BL-10,11, Baran Regional Industrial Complex
25, Barangongdan-ro, Hyangnam-eup
Hwaseong-si, Gyeonggi-do, Korea
TEL: +82-31-831-4800
FAX: +82-31-831-4801

SEOUL OFFICE:
5F, Dae-kwan bldg, 190, Gangnam-daero
Seocho-gu, Seoul, Korea
TEL: +82-2-3471-2078
FAX: +82-2-3471-2079

ANSAN FACTORY:
15BL/3L, 79, Mongnae-ro 119beon-gil
Danwon-gu, Ansan-si, Gyeonggi-do, Korea
Tel: +82-31-494-3431 /
Fax: +82-31-495-3431
www.estechpharma.com

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GC Biopharma

107 Ihyeon-ro 30beon-gil, Giheung-gu,
Yongin-si, Gyeonggi-do, South Korea

Tel: +82-31-260-9300
Fax: +82-31-260-9433
https://www.gcbiopharma.com

GELTECH CO., LTD.

Headquarter:
156, 161, Noksansaneopjung-ro,
Gangseo-gu, Busan, Korea
Tel. 82-51-831-4761
Fax. 82-51-831-4762
https://geltech.co.kr

Seoul Office: Suheung Bldg, 40, Janghan-ro,
Dongdaemun-gu, Seoul, Korea
Email. info@geltech.co.kr

Hanmi Pharm. Co., Ltd.

14, Wiryeseong-daero,
Songpa-gu, Seoul, Korea

Tel: 82.2.410.9114
https://www.hanmipharm.com