Sejin Industrial Co., Ltd., founded in 1989 and headquartered in Seongsan-gu, Changwon-si, Gyeongsangnam-do, is led by CEO Yoon Jun-hyuk. As a leader in the field of manufacturing marine module units and engine piping, the company specializes in producing core equipment for national key industries such as shipbuilding, marine engines, defense, and power plants.

"Sejin was founded in 1989 by passionate employees and has established itself as a leader in the field of manufacturing marine Module Units and engine piping. Pursuing customer-centricity and quality first, the company strives to build a competitive production system and improve its technological capabilities, aiming to grow into a top company in domestic and international markets. Its parent company, Sejin Industrial Co., Ltd., and its affiliates provide expertise in various fields including engine piping, design and manufacturing of shipbuilding equipment, hull block small/medium assembly, and development of eco-friendly equipment."

Business Areas

• Shipbuilding and Marine Engine Business: Specializes in the manufacturing of marine Module Units and engine piping, including shipbuilding equipment, hull block small/medium fabrication and assembly, low/medium speed engine piping, and SCR Unit development and supply.
• Defense Industry and Power Plant Business: Produces engine pipes and piping systems for land and naval defense industries, and carries out container and diesel power plant projects. As a key supplier for Korean defense industry (K-Defense), it supplies essential piping systems for land and naval weapon systems.
• Manufacturer of Structural Metal Products and Machined Parts: Manufactures structural metal products and machined parts, including marine engine parts. This business commenced on October 1, 1996.

Products

• Marine Module Unit: Manufactures various marine module units such as Tank Top Unit, F.O Supply Unit, B.W.T.S Module, and Block Assembly.
• Engine Piping: Manufactures engine piping for ships and defense, including Engine Pipe, Cargo Pipe, Classed Pipe, Defense Piping, Low/Medium Speed Exh' Hyd' Pipe, and Fuel Line Assy'.
• SCR Unit and Hydrogen Piping: Produces SCR Units (Dosing Unit, Pump Unit, Soot Blower), key equipment for De-NOx eco-friendly components that comply with IMO Tier-Ⅲ environmental regulations. Recently, the company is expanding its business scope to the future energy infrastructure market, including ultra-high pressure hydrogen piping.

Special Notes

• Unrivaled Technology and Expertise: Possesses unrivaled technology and know-how in the field of manufacturing marine Module Units and engine piping, accumulated since 1989. Demonstrates strength in producing special piping and module units that require high precision and durability.
• Top-Level Quality and Certification: Pursues customer-centricity and quality first, and has obtained ISO9001 Quality Management System and ISO14001 Environmental Management System certifications. Expertise in the field is confirmed through its patent portfolio and project execution history.
• Market Competitiveness and Business Expansion: Shows strengths in technological completeness and commercialization capabilities compared to major competitors, specializing in the production of core equipment for national key industries such as shipbuilding, marine engines, defense, and power plants, and expanding its business scope to the future energy market.

Recruitment Information

• Main Hiring Positions: Mainly hires production workers (welding, machining, simple packaging, etc.), experienced personnel for the Quality Assurance team, and CAD operators.
• Benefits: Provides the 4 major insurances (National Pension, Employment Insurance, Health Insurance, Industrial Accident Compensation Insurance), annual leave, half-day leave, and congratulatory/condolence leave and money.

💡 A Word from JobPloy
Sejin Industrial Co., Ltd. is a specialized company in precision metal processing, including marine modules, engine piping, and defense parts. It can be a great opportunity mainly for foreign workers interested in production, quality control, or CAD positions. The company values technology and quality and provides basic welfare benefits such as 4 major insurances, annual leave, and congratulatory/condolence leave. As there may be many automated facilities and precision processing tasks, a proactive attitude towards acquiring relevant skills and meticulousness are important.