Information
53-15 Dongtansandan 10-gil, Hwaseong-si, Gyeonggi-do, South Korea
+82 31-372-8699
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Overview
- Summary
- WOT Co., Ltd. is an ultra-precision process environment control specialist company, established in 2004, crucial for semiconductor, LCD, and LED manufacturing processes. The company develops and produces various products that precisely control environmental factors such as temperature, humidity, trace gases, and fine dust. Key product lines include ultra-precision temperature and humidity control systems (THC), Fan Filter Units (FFU), and ultra-precision Temperature Control Units (TCU). Through proven quality and customer trust, the company has secured a leading position in the domestic semiconductor process environment control market.WOT Co., Ltd. is an ultra-precision process environment control specialist company, established in 2004, crucial for semiconductor, LCD, and LED manufacturing processes. The company develops and produces various products that precisely control environmental factors such as temperature, humidity, trace gases, and fine dust. Key product lines include ultra-precision temperature and humidity control systems (THC), Fan Filter Units (FFU), and ultra-precision Temperature Control Units (TCU). Through proven quality and customer trust, the company has secured a leading position in the domestic semiconductor process environment control market.
- Key Products/Technologies
- **THC (Temperature Humidity Control system)**: An ultra-precision temperature and humidity control system applied to semiconductor photo track equipment. It controls the environment for critical processes such as PR (Photo Resist) solution coating and drying on wafer surfaces, and wafer development after the exposure process. The control range is 21~25℃ for temperature and 42~48% for humidity, with ultra-precision control accuracy of ±0.05℃ for temperature and ±0.5% for humidity. Energy-saving technology and optimized design ensure high efficiency. It represents the core product line, accounting for 68.10% of cumulative sales as of Q3 2025.**THC (Temperature Humidity Control system)**: An ultra-precision temperature and humidity control system applied to semiconductor photo track equipment. It controls the environment for critical processes such as PR (Photo Resist) solution coating and drying on wafer surfaces, and wafer development after the exposure process. The control range is 21~25℃ for temperature and 42~48% for humidity, with ultra-precision control accuracy of ±0.05℃ for temperature and ±0.5% for humidity. Energy-saving technology and optimized design ensure high efficiency. It represents the core product line, accounting for 68.10% of cumulative sales as of Q3 2025.
- **FFU (Fan Filter Unit)**: An air purification device designed to remove fine dust from the air in cleanrooms, maintaining high cleanliness levels. It incorporates BLDC vacuum motors and ULPA (PTFE or Fiber glass) or HEPA filters for highly efficient air purification. Optional LED lamps and DPT installation, along with an ultra-slim design, allow for application in various environments. This is a major product, comprising 16.36% of cumulative sales as of Q3 2025.**FFU (Fan Filter Unit)**: An air purification device designed to remove fine dust from the air in cleanrooms, maintaining high cleanliness levels. It incorporates BLDC vacuum motors and ULPA (PTFE or Fiber glass) or HEPA filters for highly efficient air purification. Optional LED lamps and DPT installation, along with an ultra-slim design, allow for application in various environments. This is a major product, comprising 16.36% of cumulative sales as of Q3 2025.
- **TCU (Temperature Control Unit)**: A device for supplying high-pressure constant temperature air for Ink-jet equipment and ultra-precision constant temperature water. It offers ultra-precision temperature control with a range of 21~25℃ and an accuracy of SV±0.1℃. Optimized design enables its use in various industrial fields, including semiconductor and display processes. It accounted for 2.75% of cumulative sales as of Q3 2025.**TCU (Temperature Control Unit)**: A device for supplying high-pressure constant temperature air for Ink-jet equipment and ultra-precision constant temperature water. It offers ultra-precision temperature control with a range of 21~25℃ and an accuracy of SV±0.1℃. Optimized design enables its use in various industrial fields, including semiconductor and display processes. It accounted for 2.75% of cumulative sales as of Q3 2025.
- **CHILLER**: Equipment for supplying low and high-temperature constant temperature water. It features a wide operating temperature range from -30℃ to 100℃. This solution provides constant temperature water essential for various industrial processes, including semiconductor, display, and secondary battery equipment. The company specifically develops and sells constant temperature water equipment for special semiconductor processes.**CHILLER**: Equipment for supplying low and high-temperature constant temperature water. It features a wide operating temperature range from -30℃ to 100℃. This solution provides constant temperature water essential for various industrial processes, including semiconductor, display, and secondary battery equipment. The company specifically develops and sells constant temperature water equipment for special semiconductor processes.
- **CLEAN MODULE**: A cleaning module featuring high suction power and BLDC vacuum motors. It incorporates ULPA filters for excellent fine dust removal performance. This specialized module is utilized for cleaning lines in semiconductor, display, and secondary battery manufacturing.**CLEAN MODULE**: A cleaning module featuring high suction power and BLDC vacuum motors. It incorporates ULPA filters for excellent fine dust removal performance. This specialized module is utilized for cleaning lines in semiconductor, display, and secondary battery manufacturing.
- **STOCKER FFU**: An FFU with ultra-precision temperature control functions and HEATLESS TEMPERATURE CONTROL technology. It contributes to maintaining a high-cleanliness environment by using ULPA (PTFE) filters.**STOCKER FFU**: An FFU with ultra-precision temperature control functions and HEATLESS TEMPERATURE CONTROL technology. It contributes to maintaining a high-cleanliness environment by using ULPA (PTFE) filters.
- Core Advantages
- **Proprietary Ultra-Precision Process Environment Control Technology**: Possession of proprietary technology for precisely controlling temperature, humidity, trace gases, and fine dust at a world-class level. This capability provides essential environmental control solutions for the miniaturization and high integration of semiconductor processes.**Proprietary Ultra-Precision Process Environment Control Technology**: Possession of proprietary technology for precisely controlling temperature, humidity, trace gases, and fine dust at a world-class level. This capability provides essential environmental control solutions for the miniaturization and high integration of semiconductor processes.
- **Leading Company in the Domestic Market**: The company holds the number one market share in the domestic semiconductor process environment control sector. Its flagship THC product, in particular, commands the leading market share in a segment dominated by only two companies in Korea.**Leading Company in the Domestic Market**: The company holds the number one market share in the domestic semiconductor process environment control sector. Its flagship THC product, in particular, commands the leading market share in a segment dominated by only two companies in Korea.
- **20 Years of Accumulated Know-how and Customer Trust**: Over 20 years of accumulated technical know-how and proven quality since its establishment in 2004. As a primary supplier to major domestic conglomerates like Samsung Electronics and SK Hynix, the company secures next-generation technology leadership through co-development with clients.**20 Years of Accumulated Know-how and Customer Trust**: Over 20 years of accumulated technical know-how and proven quality since its establishment in 2004. As a primary supplier to major domestic conglomerates like Samsung Electronics and SK Hynix, the company secures next-generation technology leadership through co-development with clients.
- **Commercialization of Energy-Saving Technology**: The industry's first to commercialize low-cost energy-saving technology, contributing to both yield improvement and energy reduction for semiconductor manufacturers. This represents a differentiated strength, directly aiding clients in reducing operational costs.**Commercialization of Energy-Saving Technology**: The industry's first to commercialize low-cost energy-saving technology, contributing to both yield improvement and energy reduction for semiconductor manufacturers. This represents a differentiated strength, directly aiding clients in reducing operational costs.
- **Expansion into Diverse Industries and Global Markets**: Active pursuit of product line expansion into new industries such as secondary batteries, beyond semiconductors and displays. Leveraging its global IDM (Integrated Device Manufacturer) references, the company is actively exploring entry into overseas markets including China, the United States, and Southeast Asia.**Expansion into Diverse Industries and Global Markets**: Active pursuit of product line expansion into new industries such as secondary batteries, beyond semiconductors and displays. Leveraging its global IDM (Integrated Device Manufacturer) references, the company is actively exploring entry into overseas markets including China, the United States, and Southeast Asia.
- **Beneficiary of HBM Market Growth**: THC is applied in the high-bandwidth memory (HBM) post-processing sector, a key area in the AI industry, with anticipated increased demand due to the expanding HBM market.**Beneficiary of HBM Market Growth**: THC is applied in the high-bandwidth memory (HBM) post-processing sector, a key area in the AI industry, with anticipated increased demand due to the expanding HBM market.
- Target Industrie
- Semiconductor manufacturing processes (especially photo track equipment, front-end and back-end processes, HBM stacking processes)Semiconductor manufacturing processes (especially photo track equipment, front-end and back-end processes, HBM stacking processes)
- LCD·LED manufacturing processes (display)LCD·LED manufacturing processes (display)
- Secondary battery manufacturing processes and linesSecondary battery manufacturing processes and lines
- Major Markets
- China, Southeast AsiaChina, Southeast Asia
- United States (Samsung Electronics factory in Austin, Texas, new Taylor factory)United States (Samsung Electronics factory in Austin, Texas, new Taylor factory)
- Certifications/Patents
- ESG Excellent Small and Medium Business ConfirmationESG Excellent Small and Medium Business Confirmation
- Safety and Health Management System ISO45001 CertificationSafety and Health Management System ISO45001 Certification
- Materials, Parts, and Equipment Specialist Company ConfirmationMaterials, Parts, and Equipment Specialist Company Confirmation
- Venture Company ConfirmationVenture Company Confirmation
- Gyeonggi-do Promising Small and Medium Business CertificationGyeonggi-do Promising Small and Medium Business Certification
- Export Tower AwardExport Tower Award
- Environmental Management System ISO14001 CertificationEnvironmental Management System ISO14001 Certification
- Corporate R&D Center RecognitionCorporate R&D Center Recognition
- 2011 Advanced Technology Company Designation2011 Advanced Technology Company Designation
- Quality Management System ISO9001 CertificationQuality Management System ISO9001 Certification
- Possession of ultra-precision temperature and humidity control technologyPossession of ultra-precision temperature and humidity control technology
- Possession of ultra-power-saving energy reduction technologyPossession of ultra-power-saving energy reduction technology
- Securing world-class precision control proprietary technologySecuring world-class precision control proprietary technology
Introduction
Location
53-15 Dongtansandan 10-gil, Hwaseong-si, Gyeonggi-do, South Korea
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