Sejin ADT is a conveyor device manufacturer located in Changwon, Gyeongnam, led by CEO Hwang Soon-gap. The company's main business is the manufacturing of defense parts and machine tool parts, established in 2001 with approximately 17 employees.

"Sejin ADT is a company that possesses the three pillars of employee cooperation, production investment, and quality improvement. We constantly strive for the best technology, quality, and customer satisfaction."

Business Areas

• Defense Parts: Produces metal parts required for defense industry weapons, such as the frame of the Cheongung II surface-to-air missile, and the fuel tank and APU (Auxiliary Power Unit) parts for the K9 self-propelled howitzer.
• Machine Tool Parts: We have developed our capabilities by manufacturing machine tool parts as ordered.
• Industrial Vehicle Parts: In addition to defense parts and machine tool parts, we also operate in the field of industrial vehicle parts.

Products

• Cheongung II Frame: Produces the frame, which is the backbone of the Cheongung II surface-to-air missile.
• K9 Self-propelled Howitzer Fuel Tank and APU Parts: Manufactures defense industry weapon parts such as fuel tanks and APU (Auxiliary Power Unit) parts for the K9 self-propelled howitzer.
• Various Machine Tool Parts: Manufactures various machine tool parts such as bus doors, forklift frames, and injection molding machines.

Special Notes

• Handles all processes from design to production: Beyond simply welding products, we have a system capable of handling all processes from design to production.
• Quality certification and skilled welders: We maintain high-quality productivity by deploying welders verified through certification tests conducted by our clients in the manufacturing process.
• Supply record to large corporations: We consistently supply products to major domestic large corporations such as Hyundai Rotem, Hanwha Aerospace, and Hanwha Systems.

💡 A Word from JobPloy
Sejin ADT is a small business that manufactures defense and machine tool parts, where precise metal processing and welding technology are crucial. It will be helpful for foreign workers to focus on improving their technical proficiency and enhancing their understanding of quality control to adapt to the job. As a small company, teamwork and a flexible attitude towards various tasks may be important.