Samil Transformer Co., Ltd. is a specialized company that has focused on manufacturing transformers since its establishment in 1970, located in Samseong-myeon, Eumseong-gun, Chungcheongbuk-do. It produces oil-immersed transformers for distribution and high-efficiency cast resin transformers, and is establishing itself as a technologically strong small business with innovative products such as seismic-resistant cast resin transformers and transformers for electric vehicle chargers.

"Samil Transformer Co., Ltd. is a manufacturer that has specialized in producing only transformers since its establishment in 1970. It is a state-of-the-art, verified transformer manufacturing company that continuously strives to produce optimal transformers by integrating innovative design and production technologies with computer science. With a quality goal of zero customer complaints, the company is committed to ensuring product reliability and prides itself on producing the highest quality."

Business Areas

• Standard Power Transformers (Oil-Immersed/Cast Resin): Supplies oil-immersed and cast resin transformers to the public sector, including Korea Electric Power Corporation, as well as private construction and industrial plant markets. Through long-accumulated production know-how and strict quality control, it has built high reliability in the market and has obtained high-efficiency energy equipment certification.
• High-Value-Added Transformers for Special Purposes: Develops and supplies high-value-added transformers for special purposes, such as seismic-resistant cast resin transformers based on proprietary patented technology and Isolation transformers for electric vehicle chargers successfully developed through government R&D projects.

Products

• High-Efficiency Cast Resin Transformer: An indoor transformer with windings sealed in epoxy resin, characterized by excellent fire safety, environmental friendliness, and low maintenance requirements. It has specifications of 50Hz/60Hz frequency, capacity up to 7,000kVA, and rated voltage up to 22.9kV.
• Seismic-Resistant Cast Resin Transformer: A product designed to ensure stable operation and safety even during earthquakes. It holds patented technology applying anti-overturn stoppers and rotary plate-type vibration damping devices, and is essential for securing the stability of critical national infrastructure and advanced industrial facilities.
• Oil-Immersed Transformer: An indoor/outdoor transformer with an oil-cooling method, providing stable performance, efficient heat dissipation, and long lifespan. It supplies various models for Korea Electric Power Corporation, including low-loss, amorphous, and standard pad-mount types.

Special Notes

• Over Half a Century of Specialized Transformer Manufacturing Know-how: Since its establishment in 1970, the company has focused solely on transformer manufacturing, accumulating deep technical expertise and production know-how. With over 40 years of dedication to transformers, it has built a solid reputation in the market.
• Innovative Technology Development and Patent Holdings: The company is securing future growth engines through patented technology for seismic-resistant cast resin transformers that ensure stable power supply during earthquakes, and the development of Isolation transformers for electric vehicle chargers. It also holds a patent registration history for a transformer fault diagnosis system.
• Various Certifications and High Market Reliability: The company has obtained numerous domestic and international certifications, including ISO 9001, ISO 14001, ISO 45001, KS Product Certification, High-Efficiency Energy Equipment Certification, Disaster Safety Product Certification, G-PASS Certification, and Excellent Procurement Product Certification. It has built high reliability in both public and private markets, including with Korea Electric Power Corporation.

Recruitment Information

• Main Hiring Positions: Primarily recruits for transformer production (winding, assembly) roles, and also hires experienced employees for transformer quality control and accounting staff.
• Benefits: The company provides the four major insurances, including National Pension, Employment Insurance, Industrial Accident Compensation Insurance, and Health Insurance. Additionally, it supports employee welfare by offering dormitory assistance and operating an in-house cafeteria.

💡 A Word from JobPloy
Samil Transformer Co., Ltd. is a technologically capable small and medium-sized enterprise that has focused solely on transformer manufacturing since 1970. Roles primarily include transformer production, assembly, and quality control, where skilled techniques and meticulousness can be important. As it provides basic welfare benefits such as the four major insurances, dormitory, and cafeteria, it can be a good opportunity for foreign workers who wish to learn skills and grow in a stable environment.