Janghan Jeonsan Co., Ltd. is a construction infrastructure specialist led by CEO Lee Sang-cheol, headquartered at 15 Dongjak-daero 23-gil, Dongjak-gu, Seoul. It specializes in building core facilities for buildings, including electrical, telecommunications, and fire protection construction.

"Janghan Jeonsan Co., Ltd., established in 1989, is a construction infrastructure specialist that has solidified its position in electrical construction, fire protection facility construction, and information and communication construction for over 35 years. Headquartered in Sadang-dong, Dongjak-gu, Seoul, it provides a wide range of solutions, from electrical wiring, which is a core facility of buildings, to special facilities for disaster prevention. In particular, based on differentiated technologies such as snow melting systems and precision leak detection systems, it has successfully carried out high-difficulty construction projects such as large-scale knowledge industry centers, super high-rise complexes, and SOC infrastructure. In 2023, sales exceeded 54.3 billion won, showing rapid growth, and at the same time, it is a solid hidden champion recognized for top-tier technical reliability and financial soundness in the industry, having been selected as an excellent partner by major construction companies such as Daewoo E&C."

Business Areas

• Comprehensive Electrical and Fire Protection Facility Construction: As a partner to major domestic construction companies such as Hyundai E&C and Daewoo E&C, we are undertaking projects to perfectly build internal electrical infrastructure and fire safety facilities for large-scale residential complexes and commercial facilities. Through Janghan Jeonsan's precise construction process, we maximize the energy efficiency of buildings and create a fire protection environment that exceeds legal safety standards.
• Information and Communication Construction: We have established a strong foothold in the information and communication construction sector, which is a major business area along with electrical and fire protection.

Products

• Electrical and Fire Protection Facility Construction: Specializes in building internal electrical infrastructure and constructing fire safety facilities for buildings.
• Information and Communication Construction: Performs information and communication facility construction and related infrastructure work.
• Specialized Facility Construction: Based on differentiated technologies such as snow melting systems and precision leak detection systems, we carry out high-difficulty construction projects.

Special Notes

• Differentiated Technology: Based on proprietary core technologies such as snow melting systems and precision leak detection systems, we secure a competitive advantage in related fields.
• Stable Construction Quality and Reliability: Selected as an excellent partner by major construction companies such as Daewoo E&C, we are recognized for top-tier technical reliability and financial soundness in the industry.
• Continuous Growth: In 2023, sales exceeded 54.3 billion won, showing rapid growth, and we are expanding our technology portfolio through continuous R&D investment.

Recruitment Information

• Main Hiring Positions: It is expected to primarily recruit for positions related to electrical, telecommunications, and fire protection construction, such as on-site construction, design, and public affairs.

💡 A Word from JobPloy
Janghan Jeonsan Co., Ltd. is a construction infrastructure company specializing in electrical, telecommunications, and fire protection construction. This field requires technical expertise and on-site experience, as well as adherence to safety regulations and teamwork. It can be a good opportunity for foreign workers with expertise in related fields.