Sangmyung Co., Ltd. is a company established in 1997, headquartered in Eumseong-gun, Chungcheongbuk-do, specializing in the manufacturing and export of high-quality interior molding and picture frames using PS (polystyrene) foam molding technology.

"Sangmyung Co., Ltd., established in 1997, is a strong small-to-medium-sized enterprise in the field of architectural plastic molded products with nearly 30 years of experience. Headquartered in Eumseong-gun, Chungcheongbuk-do, the company specializes in producing high-quality interior moldings and picture frames, with polystyrene (PS) foam molding technology as its core competency. Since its establishment, through continuous technological development and quality innovation, it proved its global competitiveness by winning the 'Export Tower' in 2004 and has built strong trust within the local community, receiving commendations as a meritorious company."

Business Areas

• Manufacturing and Supply of Premium PS Molding: Sangmyung Co., Ltd. operates a proprietary PS foam molding line, specializing in the manufacturing and supply of essential molding materials for residential and commercial interiors to domestic and international distribution networks.
• Production and Export of PS Molding for Picture Frames: We produce plastic moldings for picture frames, exporting them worldwide with a ratio of 10% domestic sales and 90% exports, used in construction-related fields such as picture frames, mirror frames, and interior moldings.

Products

• PS Molding Materials (Ceiling molding, baseboards, chair rails, etc.): These are interior finishing materials that achieve both lightweight and rigidity using polystyrene (PS) as the main raw material. They are resistant to moisture, preventing warping or mold growth, easy to install, and offer excellent price competitiveness compared to wood.
• PS Picture Frames: Plastic moldings used for picture frames, mirror frames, etc., contributing to environmental protection through resource recycling.

Special Notes

• Proprietary PS Foam Molding Technology and Facilities: We operate a proprietary PS foam molding line and are equipped with facilities that can implement various design patterns and colors, enabling the production of customized products tailored to our clients' needs.
• Excellent Product Competitiveness: By utilizing plastic materials that reinforce the moisture vulnerability of wood, we produce semi-permanent finishing materials that do not deform even in humid environments, characterized by excellent moisture resistance, lightweight design, and precise design pattern implementation.
• Global Export Competitiveness: Awarded the 'Export Tower' in 2004, proving our global competitiveness, and exporting 90% of our manufactured products worldwide.

💡 A Word from JobPloy
Sangmyung Co., Ltd. is a small and medium-sized enterprise specializing in the manufacturing and export of PS moldings, primarily performing production, quality control, and export-related tasks. For foreign workers, understanding the plastic product manufacturing process and diligence are important. Especially given the high export ratio, foreign language communication skills or knowledge of trade can be beneficial for the job. The company is located in Daeso-myeon, Eumseong-gun, Chungcheongbuk-do, so using a personal car might be more convenient than public transportation, and it's advisable to check information about nearby amenities in advance.