SEMICONDUCTOR & DISPLAY EQUIPMENT

Creating value
beyond passion and positivity.

YEST Co., Ltd. is a technology company that is expanding its future value into the green hydrogen business,
built on unrivaled proprietary technology in semiconductor and display thermal processing equipment.

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Company

YEST by the Numbers

The milestones of YEST, grown on proprietary thermal processing technology since its founding in 2000.

26yrs+
Founded in 2000Years of accumulated technology
3businesses
Core business areasSemiconductor · Display · Hydrogen
2015
KOSDAQ Listing2014 KONEX → 2015 KOSDAQ
ISO 9001 · 27001 Certified Silver Tower Order of Industrial Service Merit 2017 World Class 300 2016
Business

Business Areas

Building on our semiconductor and display thermal equipment technology, we are expanding into the green hydrogen energy business.

Technology

One proprietary technology, linking the processes of three industries

Built on proprietary technology in thermal processing, precision environmental control, and water electrolysis, YEST spans the semiconductor, display, and green hydrogen processes.

01
Thermal Processing
Thermal Process

Proprietary furnace technology for wafer diffusion, deposition, and annealing, and for forming display oxide films.

Diffusion Furnace VF-300 eFurnace
02
Precision Environmental Control
Precision Control

Cryogenic chillers and humidity/temperature control precisely maintain the process environment.

Chiller NEOCON Hot & Cold Chamber
03
Lamination & Cure
Lamination & Cure

Film lamination, pressurized curing, and UV curing raise the quality of display and semiconductor processes.

Film Laminator Auto Clave UV Cure
04
Water Electrolysis
Water Electrolysis

AEM water electrolysis produces green hydrogen coupled with renewable energy.

AEM EL 4.0 AEM Cluster AEM Multicore

Where people and technology meet

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We dream of a sustainable future

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A company that grows with its people

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