Sejin Techwin Co., Ltd. is a manufacturing specialist company established in 2017 in Hwaseong, Gyeonggi-do. Under the leadership of CEO Jeon Sang-jun, the company's main business is the manufacturing of high-precision components required for semiconductor and display process equipment. It has grown by building expertise in electronic component manufacturing and precision machinery component processing.

"Sejin Techwin Co., Ltd., established in 2017 in Hwaseong, Gyeonggi-do, is a manufacturing specialist company that has built unparalleled expertise in electronic component manufacturing and precision machinery component processing under the leadership of CEO Jeon Sang-jun. Particularly, it has achieved remarkable results, growing from initial sales of around 1 billion KRW to approximately 6.6 billion KRW as of 2023, primarily through the manufacturing of high-precision components required for semiconductor and display process equipment. By actively utilizing Hwaseong City's excellent industrial infrastructure, it supplies key components to major equipment manufacturers in a timely manner, making it a promising small and medium-sized enterprise contributing to local economic development and the localization of advanced equipment."

Business Areas

• Manufacturing of electronic components and precision machinery parts: We are engaged in the business of designing, precision machining, and supplying high-precision electronic components and mechanical parts essential for national strategic industry equipment such as semiconductors and displays. We analyze the specialized technical requirements of our clients to propose optimal processing solutions, and we have systems for both multi-product small-batch production and mass production.
• Semiconductor line relocation and equipment support: This includes technical support and equipment supply related to the relocation of semiconductor production lines and facilities. This is an important business area that contributes to the precise operation and enhanced durability of equipment in advanced industrial sites.

Products

• High-precision electronic device components and machined modules: We manufacture and supply core electronic component housings and machined products with maximized mechanical reliability, which are installed in precision control systems in advanced industrial sites. We specialize in manufacturing components for semiconductor processes where fine tolerance control is essential, and we maintain a high-quality production system that perfectly implements client drawings and specifications.

Special Notes

• Ultra-precision machining technology: We specialize in ultra-precision cutting using high-performance CNC equipment and manufacturing precision housings for electromagnetic shielding. This enables us to produce high-quality components for semiconductor processes where fine tolerance control is essential.
• Providing customized solutions to clients: We analyze the specialized technical requirements of our clients to propose optimal processing solutions, contributing to the precise operation and enhanced durability of equipment. We flexibly operate both multi-product small-batch production and mass production systems to respond to diverse market needs.

💡 A Word from JobPloy
Sejin Techwin is a technology-specialized company that manufactures high-precision components for semiconductor and display equipment and supports line relocation and facilities. This field requires precision and technical understanding, making it a good opportunity for foreign workers with relevant experience or technical capabilities. High concentration and meticulousness may be required during work.