TSJ Co., Ltd. is a company specializing in the manufacturing of industrial unvulcanized rubber products, established in 2014 and located in Incheon. Led by CEO Lee Tae-jeong, it supplies essential precision rubber parts for automotive and various industrial sectors. As of 2023, the company recorded sales of approximately 7.6 billion won and employs about 20-22 staff members.

"TSJ Co., Ltd., established in 2014 and headquartered in Incheon Metropolitan City, is a specialized manufacturer of industrial unvulcanized rubber products. Starting with its main production items, waterproof seals and grommets, the company has secured precision rubber molding technology and has continuously grown by supplying high-quality sealing parts essential for automotive and various industrial sectors. Recently, by participating in the Design-Driven Manufacturing Innovation project organized by the Ministry of Trade, Industry and Energy, the company is focusing on developing high-value-added finished products that integrate technology and design, moving beyond simple component manufacturing. In particular, based on its proprietary technology, including a patent for an LED light-emitting device that integrates sterilization and lighting functions, the company is aggressively expanding its business into smart light sources and healthcare device fields. As of 2023, it recorded sales of approximately 7.6 billion won, demonstrating a solid financial structure, and is an innovative manufacturing company striving to become a global hidden champion through continuous R&D investment."

Business Areas

• Industrial Precision Rubber Parts Business: The company primarily engages in the business of manufacturing and supplying precision rubber parts, which are core components for automobiles and various industrial equipment. It specializes in producing precision parts using unvulcanized rubber materials and plays a crucial role in the durability and waterproofing performance of devices.
• Smart Light Source and Healthcare Device Sector: The company holds a patent for an LED light-emitting device that integrates sterilization and lighting functions, and is expanding its business into smart light sources and healthcare device fields based on its proprietary technology.

Products

• Waterproof Seals and Grommets: These are precision parts made from unvulcanized rubber materials, playing a crucial role in determining the durability and waterproofing performance of automotive and industrial equipment. They are produced through long-accumulated molding process know-how and strict quality control.
• LED Light-Emitting Device: This product was developed based on proprietary technology that integrates sterilization and lighting functions. It is a key item for business expansion into smart light sources and healthcare device fields.

Special Notes

• Precision Rubber Molding Technology: Through key production items such as waterproof seals and grommets, the company has secured outstanding technological capabilities in precision rubber molding. This is a core competency that determines the durability and waterproofing performance of devices.
• Proprietary Technology and R&D Investment: The company holds a patent for an LED light-emitting device that integrates sterilization and lighting functions, and is growing into a global hidden champion through continuous R&D investment. It focuses on developing high-value-added finished products that combine technology and design.
• Solid Financial Structure: As of 2023, the company maintains a stable financial status with sales of approximately 7.6 billion won. This provides a solid foundation for continuous business expansion and growth.

Recruitment Information

• Main Hiring Positions: Positions may include production, quality control, and research and development roles related to the manufacturing of other industrial unvulcanized rubber products and automotive rubber parts.

💡 A Word from JobPloy
TSJ Co., Ltd. is a company that manufactures automotive rubber parts and industrial precision rubber products, and has recently expanded its business into smart light sources and healthcare sectors. Opportunities for foreign workers may primarily exist in production, quality control, and research and development fields. As it is a precision manufacturing sector, meticulousness and the ability to adhere to quality standards are important, and if there is interest and willingness to learn about new technological fields, even better opportunities can be found.