DJF Co., Ltd. is a company established in 1983 that specializes in the production of heat exchanger parts and pipe fittings required for the petrochemical refining plant, shipbuilding, and plant equipment industries. It is headquartered in Gangseo-gu, Busan, and its CEO is Young-won Oh.

Since its establishment in 1983, DJF Co., Ltd. has contributed to industrial development for over 30 years as a specialized flange manufacturer, producing shipbuilding-related equipment, marine engine parts, and petrochemical plant components. Starting from a small factory with just one machine, we have grown into a mid-sized enterprise currently exporting over $15 million.

Business sectors

• Manufacturing of Core Piping Components for Plants and Shipbuilding: We specialize in the production and supply of flanges, pipe fittings, and heat exchanger components essential for petrochemical refining plants and the shipbuilding and marine industries. Based on over 40 years of manufacturing know-how, we produce metal forged products suitable for extreme environments.
• Precision Machining and Assembly (ONE-STOP SOLUTIONS): We disclose all processing steps and procedures, including machining and fabrication, to our customers and provide ONE-STOP SOLUTIONS for precision machining and assembly using state-of-the-art equipment. We produce high-quality products by operating advanced production facilities such as vertical lathes and CNC/MCTs.
• High Value-Added Flow Meter and Tube Sheet Sector: We have expanded our business scope beyond simple component manufacturing to include high value-added, technology-intensive products such as differential pressure flow meters (Venturi tubes, flow nozzles, orifice plates), tube sheets for heat exchangers, and baffle plates. We also specialize in the production of accessories, such as forged nozzles used in pressure vessels.

Products

• Flanges: We produce standard flanges such as ASME B16.5 and B16.47, as well as flanges of various specifications that meet multiple international standards including KS, JIS, and DIN. These are applied in various industries, such as shipbuilding, marine engines, and petrochemical plants.
• Heat Exchanger Components: We possess precision machining technology for core heat exchanger components, such as tube sheets, baffle plates, girth flanges, and condensers. These are used in oil refineries and other chemical facilities within the petrochemical industry.
• Differential Pressure Flowmeter Accessories: We manufacture core components of differential pressure flowmeters, such as venturi tubes, flow nozzles, orifice plates, and flange assemblies. We supply key components to equipment sectors requiring precision control.

Special Features

• Over 40 Years of Expertise and Know-how: Based on the specialized technology and know-how in flange and related parts production accumulated over 40 years since our establishment in 1983, we supply products specialized for industries requiring advanced technical capabilities. This secures a differentiated competitive advantage based on our proprietary core technologies.
• Global Market Competitiveness and Quality Reliability: We have solidified our position in the global market by achieving annual export sales of over $15 million, and have secured international quality reliability by obtaining the ISO 9001 Quality Management System and ASME U&S stamps.
• Customer-Centric Production Management and R&D: We operate a customer-centric production management system that transparently discloses all processing steps and procedures to meet customer needs, and we pursue continuous technological development and product innovation through our corporate research institute.

Job Information

• Major Recruitment Positions: Job postings for experienced professionals are found primarily in the production department (welding technicians, turning machine operators) and quality control.
• Benefits: We provide the four major insurances, including the National Pension, Employment Insurance, Industrial Accident Insurance, and Health Insurance. We also offer severance pay, congratulatory and condolence payments, long-service awards, and an outstanding employee reward system. Additionally, there are benefits such as an on-site cafeteria, health checkups, commuter bus service, dormitory accommodations, and vehicle maintenance support.

💡 A word from Jobploy
DJF Co., Ltd. is a solid manufacturing company that produces core components essential for the plant and shipbuilding industries. As there are many production-related roles such as welding, machine operation, and quality control, this presents a great opportunity for those with relevant skills and experience. The company provides basic benefits including the four major insurance plans, severance pay, an on-site cafeteria, commuter buses, and dormitories, so you can expect a stable working environment.