JK Heavy Industries Co., Ltd. is a specialized shipbuilding materials and equipment company established in 2014 and located in Sapjin Industrial Complex, Mokpo City, Jeollanam-do. Its main businesses include manufacturing ship components, producing hull blocks, and pre-processing and fabricating thick plates. Recently, it has been designated as a defense contractor in the naval sector, expanding its business into the marine defense market.

"JK Heavy Industries Co., Ltd., established in 2014 and based in Sapjin Industrial Complex, Mokpo City, Jeollanam-do, is a specialized shipbuilding materials and equipment company providing ship component manufacturing and ship construction/repair services. As a key partner of major domestic shipbuilders such as Hyundai Samho Heavy Industries, it is recognized for its excellent technology in hull block production and pre-treatment processes, and is strengthening its global market competitiveness through the introduction of smart process automation and a safety and health management system."

Business Areas

• Hull Block and Component Manufacturing: We precisely manufacture hull blocks, essential units for shipbuilding, and supply them to large shipyards, earning high trust based on long-accumulated special welding and precision machining know-how.
• Thick Plate Pre-treatment and Processing: We specialize in the pre-treatment and processing of thick plates used in shipbuilding, operating a customized production system based on our clients' design drawings to produce complex hull components without error.
• Ship Construction and Repair: We engage in the construction of new merchant and government vessels, as well as ship repair and modification businesses. Notably, we have recently been designated as the first defense contractor in the naval sector among shipbuilders in the West Coast region, expanding our business into the naval vessel maintenance, repair, and overhaul market.

Products

• Hull Blocks: We precisely manufacture hull blocks, which are core components of shipbuilding, and supply them to major domestic shipbuilders.
• Ship Components: We manufacture and process various components required for shipbuilding, producing customized products to meet our clients' demands.
• Ship Construction and Repair Services: We provide construction and repair services for various types of vessels, including passenger ships, barges, tugboats, and fishing vessels, and are particularly expanding our capabilities into the field of naval vessel maintenance, repair, and overhaul.

Special Notes

• Excellent Technology and Quality Stability: Based on special welding and precision machining know-how, we ensure the quality stability of large structures and are strengthening our technological competitiveness through the introduction of smart process automation and a safety and health management system (KOSHA-MS).
• Key Partner of Major Shipbuilders: As a key partner of major domestic shipbuilders, including Hyundai Samho Heavy Industries, we have earned high trust through long-accumulated experience and expertise, operating a customized production system based on our clients' design drawings.
• Designation as a Naval Defense Contractor: Designated as a defense contractor in the naval sector in March 2026, we have laid the foundation for entering the marine defense market. This is the result of comprehensive recognition of our military supply production capabilities, technology, and quality management system.

Recruitment Information

• Main Hiring Positions: We primarily have a history of hiring field management and health management positions.
• Benefits: We provide four major insurances (National Pension, Health Insurance, Employment Insurance, Industrial Accident Compensation Insurance).

💡 A Word from JobPloy
JK Heavy Industries Co., Ltd. is a company expanding its business into ship component manufacturing, thick plate processing, ship construction and repair, and recently, the naval defense sector. Work in this field primarily takes place on-site, where precise operations and strict adherence to safety regulations are crucial. Foreign workers will benefit from thoroughly completing safety training and making efforts to learn Korean for smooth communication with colleagues, which will aid in adapting to the job.