Joongsan Enterprise Co., Ltd. was established in 1998 and is headquartered with a factory in Samdong-myeon, Ulju-gun, Ulsan. It primarily manufactures industrial bolts and nuts and supplies special mechanical component parts for heavy industries such as marine engines, power generation engines, nuclear power, and plants. The representative is Jeong Gwang-su.

"Based on over a decade of know-how in producing mechanical component parts, primarily industrial bolts and nuts, Joongsan Enterprise Co., Ltd. was founded as a venture company in 1998 and has grown into a specialized component manufacturer in the heavy industry sector. Utilizing a multi-product small-batch production system and special steel processing technology, we produce and supply various mechanical component parts, including bolts and nuts for marine engines and power generation engines. We strive to become a world-class creative company through innovation and customer satisfaction, fostering pride in our technology and quality alongside customer trust."

Business Areas

• Marine Engine Parts Business: We produce various engine parts, including bolts and nuts for fastening marine engine drive parts. We use alloy steels with high impact strength and tensile force, and have completed verification inspections by classification societies such as LR, ABS, and NK, ensuring high reliability.
• Plant and Industrial Facility Parts Business: We supply high-performance products with high durability even in ultra-high temperature/ultra-low temperature and ultra-high pressure environments. They are manufactured using special alloy steels, such as bolts and nuts for nuclear power plant turbines, and satisfy the quality assurance plan requirements of KEPIC MN/SN and ASME NQA-1.
• Electronics Business: We produce digital home appliances such as kitchen TVs and bathroom phones. The kitchen TV provides high-definition digital broadcasting viewing and wall pad interworking functions, while the bathroom phone is equipped with a motion detection sensor and emergency notification function.

Products

• Bolts and Nuts for Marine Engines: Bolts and nuts used for fastening engine drive parts, possessing high impact strength and tensile force due to the use of alloy steels such as SNCM and SCM. These are highly reliable products that have passed inspections by major classification societies such as LR, ABS, NK, DNV/GL, and KR.
• Bolts and Nuts for Plants and Industrial Facilities: High-performance products suitable for ultra-high temperature/ultra-low temperature and ultra-high pressure environments, including bolts and nuts for nuclear power plant turbines. They are manufactured from special alloy steels such as SUPER DUPLEX, ALLOY STEEL, and NICKEL ALLOY.
• Kitchen TV and Bathroom Phone: The kitchen touch-screen TV phone integrates TV, radio, telephone, and door phone functions, while the bathroom phone is a life-waterproof product equipped with a motion detection sensor and emergency notification function.

Special Notes

• Special Steel Processing Technology and Multi-product Small-batch Production: We supply special mechanical component parts for heavy industries through a multi-product small-batch production system, and possess the capability to provide high-quality component solutions based on our special steel processing technology.
• Enhanced Quality System and Various Certifications: We have obtained numerous quality and environmental management system certifications, including ISO9001, ISO14001, ISO45001, ISO/TS29001, and KEPIC-MN/SN, ensuring high quality reliability.
• Industry-Academia Cooperation for Fostering Local Talent: We consistently participate in industry-integrated apprenticeship programs in conjunction with Ulsan Technical High School and others. Through this, we provide vocational high school students with on-site training and employment opportunities, contributing to the development of local talent.

Recruitment Information

• Main Hiring Positions: The main positions recruited include new office workers for quality control and industrial functional personnel for the 'CNC Milling L3' training program in the mechanical field of automated machinery.
• Benefits: We provide the four major insurances: National Pension, Employment Insurance, Industrial Accident Compensation Insurance, and Health Insurance. Welfare benefits include a 5-day work week, regular leave, congratulatory/condolence leave, severance pay, congratulatory/condolence money, incentives, dormitory support, in-house cafeteria, lunch/dinner support, health check-ups, and work uniform support.

💡 A Word from JobPloy
Joongsan Enterprise Co., Ltd. is a solid company that manufactures heavy industry components in the field of bolt and nut manufacturing. It is expected that there will be many roles primarily in mechanical processing and quality control. For foreign workers, precise work may be required, so it is important to focus on acquiring relevant skills and strictly adhere to safety regulations. We recommend actively utilizing the training programs and industry-academia cooperation opportunities provided by the company to enhance your expertise.