Joongbu EST Co., Ltd. is a specialized metal surface treatment company located in Seo-gu, Incheon. Based on various surface treatment technologies such as electropolishing, acid treatment, and sanding, we provide solutions tailored to customer needs.

"Joongbu EST Co., Ltd. is constantly striving with a creative challenging spirit and quality-first principle as its management goals. We are continuously developing to actively respond to customer demands in the fields of acid treatment, passivation, electropolishing, sanding, and glass sanding."

Business Areas

• High-precision surface treatment services: We provide high-precision electropolishing (EP) and chemical cleaning services applied to semiconductor equipment parts and more. We have secured expertise in various metal processing steps.
• Industrial environment improvement solutions: We develop and manufacture customized exhaust systems that effectively control harmful substances generated during surface treatment processes. We contribute to establishing a safe and efficient working environment.
• On-site customized surface treatment: We professionally perform various surface treatment tasks such as acid treatment, passivation, electropolishing, sanding, and glass sanding, and also provide on-site services as per customer needs.

Products

• Electropolishing: This technology electrochemically treats metal surfaces to remove microscopic irregularities and impart luster. It is mainly applied to semiconductors and precision components.
• Acid treatment and passivation: We provide acid treatment and passivation services that remove scale, rust, etc. from metal surfaces and improve corrosion resistance. Treatment of extra-large tanks is also possible.
• Sanding and glass sanding: We possess sanding and glass sanding technologies that process metal surfaces by spraying abrasives. These are used for improving surface texture and removing foreign substances.

Special Notes

• Unique technology and expertise: We secure a differentiated competitive advantage based on our unique core technologies in the field of metal surface treatment. We are expanding our technology portfolio through continuous investment in research and development.
• Quality-first management: With a creative challenging spirit and quality-first principle as our management goals, all executives and employees are doing their best for customer satisfaction. We boast high technological completeness and commercialization capabilities.
• Various processes and on-site services: We offer a wide range of surface treatment processes including electropolishing, acid treatment, passivation, sanding, and glass sanding, and our specialized on-site service for customer convenience is also a strength.

Recruitment Information

• Main Hiring Positions: Surface Treatment Technician, Production/Process Management, Quality Control

💡 A Word from JobPloy
Joongbu EST Co., Ltd. is a company specializing in metal surface treatment technology. We primarily perform tasks such as electropolishing, acid treatment, and sanding, where precise techniques and adherence to safety rules are extremely important. It is crucial for foreign workers to diligently complete the necessary technical training for the job, wear safety equipment, and strictly follow on-site safety regulations. Furthermore, due to the nature of surface treatment processes, chemical substances may be handled, so it is important to focus on relevant training and exercise caution.