Overview

Simmtech Co., Ltd. is a South Korean manufacturer of printed circuit boards and packaging substrates, headquartered in Cheongju-si, Chungcheongbuk-do. Founded in 1987, it is publicly listed on the KOSDAQ under ticker 222800 and has an employee band of 1,000 to 5,000. Its products serve the semiconductor, automotive, electric-vehicle, electronics, and industrial equipment sectors. In 2026 it reported plans to invest 400 billion won to expand its AI substrate capacity.

At a glance

What Simmtech makes

The company holds IATF 16949, ISO 9001, ISO 14001, ISO 45001, and ISO 50001 certifications, and its product lines include PCBs and semiconductor packaging substrates.

Products and capabilities described on the company's own site include Assembly, PCB, Semiconductor, Electronics (source: simmtech.com).

Certifications

Simmtech is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• IATF 16949 — simmtech.com

• ISO 14001 — simmtech.com

• ISO 45001 — simmtech.com

• ISO 50001 — simmtech.com.cn

• ISO 9001 — simmtech.com.cn

• ISO/TS 16949 — simmtech.com.cn

Latest developments

• 2026-11-05 — Simmtech to Invest Additional 105.4 Billion Won in Cheongju Facilities < Supply Chain < 기사본문 - The Elec Inc. (thelec.net)

• 2026-09-14 — North Chungcheong Province and Cheongju City Sign KRW 400 Bln Investment Agreement with Simmtech for Factory ExpansionView Details | News & Event | Chungbuk (investkorea.org)

• 2026-09-09 — Simmtech Signs Long-Term Supply Deals With Key Partners < Supply Chain < 기사본문 - The Elec Inc. (thelec.net)

• 2026-09-02 — Simmtech to Invest 400 Billion Won to Expand AI Substrate Capacity < Supply Chain < 기사본문 - The Elec Inc. (thelec.net)

• 2026-08-26 — SIMMTECH to Build Dedicated SOCAMM Module Plant in Ochang < Supply Chain < 기사본문 - The Elec Inc. (thelec.net)

• 2026-08-20 — Simmtech Seeks 300 Billion Won as Chipmakers Rush to Raise Capital - Seoul Economic Daily (sedaily.com)

Facilities

Simmtech is headquartered in Cheongju-si, Chungcheongbuk-do. Public sources also reference these locations:

• Korea, China — mida.gov.my

Company details

Simmtech has a reported revenue band of 972.8 million and operates manufacturing sites in South Korea and China. Simmtech was founded in 1987, has an estimated 1,000-5,000 employees, and is headquartered in Cheongju-si, Chungcheongbuk-do. On the LightSource stability read it is rated "Established & strong": 39 years in operation (founded 1987). Publicly listed; no distress event on record. Holds IATF 16949, ISO 14001, ISO 45001, ISO 50001, ISO 9001, ISO/TS 16949 certification(s) per public sources.

Frequently asked questions

What does Simmtech make?

Simmtech Co., Ltd. is a South Korean manufacturer of printed circuit boards and packaging substrates, headquartered in Cheongju-si, Chungcheongbuk-do. Founded in 1987, it is publicly listed on the KOSDAQ under ticker 222800 and has an employee band of 1,000 to 5,000. Its products serve the semiconductor, automotive, electric-vehicle, electronics, and industrial equipment sectors. In 2026 it reported plans to invest 400 billion won to expand its AI substrate capacity.

Where is Simmtech headquartered?

Simmtech is headquartered in Cheongju-si, Chungcheongbuk-do.

When was Simmtech founded?

Simmtech was founded in 1987.

How big is Simmtech?

Simmtech has an estimated 1,000-5,000 employees, with revenue in the 972.8M range.

Is Simmtech publicly traded?

Publicly traded (KOE: 222800.KQ). Public financial figures are drawn from its filings.

What certifications does Simmtech hold?

Simmtech lists IATF 16949 · ISO 14001 · ISO 45001 · ISO 50001 · ISO 9001 · ISO/TS 16949 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.