Shinsung ST

신성에스티 · 416180

Consumer Discretionary Auto Parts · KOSDAQ

Small-cap

Market cap US$192.6M (₩265.8B)

Overview

Shinsung ST makes key components for rechargeable batteries used in electric vehicles and large-scale energy storage systems, specifically busbars, which carry high-voltage current between battery cells, and the protective metal cases that house battery modules.

Electric-vehicle makers and energy storage system integrators are the primary customers for these parts. Listed on KOSDAQ, Korea's tech and small-cap board, the company runs its battery-components business alongside a separate operation in Vietnam that produces camera modules for electric vehicles and internal and external parts for smartphones.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$84.7M

▼ −8.0% YoY

Operating profit · FY2025

US$1.6M

▼ −74.2% YoY

Net income · FY2025

US$401.2K

▼ −92.2% YoY

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$90.3M(₩124.7B)	US$92M(₩127B)	US$84.7M(₩116.9B)
Operating profit	US$6.1M(₩8.4B)	US$6.4M(₩8.8B)	US$1.6M(₩2.3B)
Net income	US$6.6M(₩9.1B)	US$5.1M(₩7.1B)	US$401.2K(₩553.7M)

Revenue

FY2023US$90.3M
FY2024US$92M
FY2025US$84.7M

Operating profit

FY2023US$6.1M
FY2024US$6.4M
FY2025US$1.6M

Net income

FY2023US$6.6M
FY2024US$5.1M
FY2025US$401.2K

Key ratios (FY2025)

ROE

0.5%

Debt/Eq

136.1%

Op. margin

1.9%

Net margin

0.5%

Rev. YoY

▼ −8.0%

Why it matters

The company operates manufacturing facilities in Korea, China, Poland, and the United States, giving it a multi-country production footprint across major EV markets.

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