Sejong Metal Co., Ltd. is a specialized metal processing company located in Wonju-si, Gangwon Special Self-Governing Province. Based on over 25 years of know-how, we provide various metal processing services such as laser cutting, NCT punching, aluminum exterior panel manufacturing, and powder coating through our in-house system.

"Based on over 25 years of accumulated know-how and the young, vibrant passion of all our employees in their 30s and 40s, Sejong Metal Co., Ltd. has established a ONE SYSTEM that handles all processes, from laser cutting, NCT punching, aluminum sheets (exterior panels), cutting/bending, welding, to powder coating, using our in-house facilities. Our exterior panel business, with 100% in-house operation from on-site measurement to panel manufacturing, painting, and on-site construction, allows us to respond optimally to any unforeseen on-site situations. Promptness, accuracy, and reasonable pricing will be another gift to our customers. Sejong Metal will always prioritize customer satisfaction from the customer's perspective."

Business Areas

• Laser Processing: Using a non-contact marking method with laser light, it is possible to cut and surface mark various materials such as metal and plastic. High-speed marking of up to a thousand characters per second ensures high productivity, and the work environment is clean with no pollution from ink.
• NCT Processing: Using NCT (Numerical Control Turret Punch Press) equipment, we perform various types of punching operations on metal plates. We can produce punched panels of various shapes, such as circular and square, and manufacture diverse products through precise processing.
• AL Exterior Panels (Aluminum Sheet Processing): We process and manufacture architectural exterior panels using aluminum sheets. We provide fast and accurate services through our ONE SYSTEM, which operates in-house from on-site measurement to panel manufacturing, painting, and construction.

Products

• Laser Processed Products: These are products made by precisely cutting and processing various metal materials with lasers, including SS9t laser processing, SUS laser bending, and Galva 1.6t laser processing (letter keyrings, keychains, mask holders, dog tags). We can produce various forms of products such as foldable fire pits and Eiffel Towers.
• NCT Punched Panels: We manufacture aluminum punched panels with various shapes such as circular and square. We produce products used in various industrial fields, including heater cases and punched panel processing, boasting precise punching technology.
• Powder Coated Products: We apply powder coating to metal products to achieve various colors and designs. We provide products with enhanced durability and aesthetics, such as round sheet powder coating, NCT leftover material painting, fire door painting, and pipe railing painting.

Special Notes

• Over 25 years of accumulated know-how: Based on over 25 years of extensive experience and technical expertise in metal processing, we provide stable and highly reliable services. The know-how of our skilled technicians leads to high-quality products.
• In-house ONE SYSTEM operation: We have established a ONE SYSTEM that handles all processes, from laser cutting to NCT punching, aluminum exterior panel manufacturing, cutting/bending, welding, and powder coating, using our in-house facilities. This enhances production efficiency and ensures consistent quality.
• Prompt and accurate customer response: Through 100% in-house operation from on-site measurement to construction in the exterior panel business, we respond quickly to on-site situations and provide customers with the best quality and reasonable prices. Prompt quotation requests and consultations are available.

💡 A Word from JobPloy
Sejong Metal Co., Ltd. is a company that provides various metal processing services, including laser processing, NCT processing, aluminum exterior panel manufacturing, and powder coating. As it primarily involves precise and technical work with metals, a willingness to acquire skills in related fields and meticulousness are important. A diligent attitude towards work, strictly adhering to safety regulations, is required.