Mecaro

Mecaro is a semiconductor parts and materials company whose core product is the metal heater block, which supplies uniform heat to wafers during CVD and ALD processes. The company holds over 90% domestic market share in metal heater blocks and supplies both Samsung Electronics and SK Hynix.

Its other flagship business at the time of its 2017 listing, the High-K precursor unit, was sold in 2022 to Versum Materials Korea, a subsidiary of Germany's Merck, reshaping the company around its parts business. The acquisition consideration was approximately EUR 110 million (about KRW 146.7 billion).

Using proceeds from that sale, among other resources, Mecaro has been developing ceramic heater blocks using premium ceramic materials such as aluminum nitride (AlN), attempting to enter a ceramic heater block market still dominated by a specific Japanese company.

The company also runs a specialty valve business for semiconductors through subsidiary KVTS and develops renewable energy materials such as CIGS and perovskite solar cells through subsidiary Mecaro Energy.

In 2026, the company acquired back-end semiconductor equipment and automation maker Samil Tech for roughly KRW 35.6 billion, while separately pursuing an investment of KRW 14.1 billion in convertible bonds of heat-treatment equipment maker Lambda Micro.

CEO Lee Jae-jung stated in a media interview that overseas sales are expected to exceed 50% of total revenue for the first time this year, and that the company is fostering new businesses in ceramic heaters and back-end equipment funded partly by the precursor business sale proceeds, aiming for KRW 500 billion in revenue by 2030.

In 2025, consolidated revenue rose 50.5% year-on-year to KRW 94.6 billion, operating profit surged 272.9% to KRW 15.4 billion, and net income attributable to owners grew 128.7% to KRW 12.6 billion.

In 2024, revenue increased 62.9% to KRW 62.9 billion, operating profit turned from a KRW 7.3 billion loss to a KRW 4.1 billion profit, and net income swung from a KRW 2.4 billion loss to a KRW 5.5 billion profit.

In 2023, revenue was KRW 40.8 billion with an operating margin of -20.8%, a loss year clearly affected by the semiconductor downcycle.

In 2022, revenue was KRW 54.0 billion and operating profit KRW 2.6 billion, but net income jumped to KRW 43.7 billion, reflecting a one-off gain from the sale of the High-K precursor unit to Merck's subsidiary.

Quarterly, revenue rose from KRW 22.9 billion and operating profit KRW 3.4 billion in Q2 2025 to revenue of KRW 25.8 billion and operating profit KRW 4.7 billion in Q3 2025, with the improving operating margin trend continuing through Q1 2026 (revenue KRW 25.5 billion, operating profit KRW 4.1 billion) and Q2 2026 (revenue KRW 25.3 billion, operating profit KRW 4.5 billion).

However, Q4 2025 showed a notable divergence: despite solid operating profit of KRW 3.9 billion on revenue of KRW 24.5 billion, net income attributable to owners was only KRW 0.8 billion, highlighting a gap between operating and net results in that quarter.

Summed over the most recent four quarters (Q3 2025-Q2 2026), revenue totaled roughly KRW 101.1 billion, operating profit about KRW 17.2 billion, and owners' net income about KRW 15.0 billion, a run-rate exceeding full-year 2025 figures.

This improvement appears linked to expanding overseas sales and rising demand for metal heater blocks, though the Q4 2025 net income gap also confirms that quarter-to-quarter volatility persists.

Amid intensifying competition in semiconductor process miniaturization, temperature uniformity and stability in heater blocks have become key factors determining production yield.

As AI semiconductor demand grows and customers adopting CVD and ALD processes raise technical requirements, replacement demand for parts is emerging with each process generation shift.

While Mecaro holds a dominant position in the domestic metal heater block market, ceramic heater blocks required for ultra-high-temperature processes above 400 degrees Celsius remain monopolized by a specific Japanese company, leaving room for import substitution.

The trend toward localizing semiconductor equipment and parts continues alongside large customers' push to diversify their supply chains, presenting an opportunity for domestic parts makers such as Mecaro.

Nevertheless, demand for parts and materials suppliers still fluctuates significantly with the memory semiconductor investment cycle, as illustrated by Mecaro's operating loss during the 2023 downturn.

Expansion into adjacent areas such as back-end and heat-treatment equipment is also being pursued by competitors, making the pace of converting localization achievements into actual revenue a key differentiator.

The company has stated that it is fostering new businesses in ceramic heaters and back-end equipment, funded partly by proceeds from the precursor business sale, aiming for KRW 500 billion in revenue by 2030.

CEO Lee Jae-jung said in a media interview that the company plans to make its first supply of ceramic heater blocks to a semiconductor customer the following month, an early step in ceramic parts commercialization whose future earnings impact remains to be observed.

In the same interview, he said overseas sales are expected to exceed 50% of total revenue for the first time this year, suggesting continued growth in sales to overseas customers including in China.

The 2026 acquisition of Samil Tech (back-end semiconductor equipment and automation) and the planned investment in Lambda Micro (VFM-based heat-treatment equipment) represent attempts to expand into semiconductor packaging back-end and heat-treatment process areas, with the timing of payment and consolidation into results being a point to watch going forward.

The company stated it plans to pay for the Samil Tech acquisition entirely from cash on hand without new borrowing or share issuance, minimizing the financial burden of the deal.

If the current phase of expanding AI semiconductor and memory investment continues, demand for CVD and ALD process parts including heater blocks could grow in tandem, though the timing and scale of revenue contribution from the new businesses have not yet been confirmed in disclosed financial figures.