Sang-A I.J. Co., Ltd. is a company specializing in precision parts manufacturing, established in 1999, with its headquarters in Seo-gu, Incheon. It produces electric vehicle and mobile phone battery components, as well as plastic parts for semiconductor device assembly, and employs approximately 33 people.

"Sang-A I.J. Co., Ltd., established in 1999, is a company specializing in precision parts manufacturing, headquartered in Incheon Geomdan General Industrial Complex, leading the localization of core components for the secondary battery and semiconductor industries. Its main business areas include manufacturing precision parts for electric vehicle (EV) batteries and mobile phone batteries, and producing plastic parts for machinery and equipment used in assembling semiconductor devices such as diodes and transistors. Based on approximately 25 years of experience, the company maintains stable annual sales of 4 to 5 billion KRW through accumulated high-difficulty injection molding technology and a strict quality management system, diligently fulfilling its role as an essential component partner within the supply chain of secondary batteries and semiconductors, which are the backbone of modern industry."

Business Areas

• Secondary Battery Component Business (EV and IT Devices): Sang-A I.J. Co., Ltd. manufactures core precision components that protect and connect battery cells in response to the explosive growth of the electric vehicle market and the high performance of mobile devices. Utilizing high-performance engineering plastic materials, we produce components that prevent electrical interference inside batteries and enhance physical safety, supplying them to global battery manufacturers.
• Production of Plastic Components for Semiconductor Device Assembly: We produce plastic components for machinery and equipment used in assembling semiconductor devices such as diodes and transistors.

Products

• Electric Vehicle Battery Precision Components: We manufacture core precision components that protect and connect electric vehicle battery cells, and through continuous facility investment and process automation, we have established a mass production system to supply highly reliable components that meet our customers' strict quality standards.
• Mobile Phone Battery Precision Components: We produce core precision components for mobile phone batteries in response to the increasing performance of mobile devices.

Special Notes

• High-difficulty Injection Molding Technology and Quality Management: Based on approximately 25 years of experience, we maintain stable annual sales of 4 to 5 billion KRW through accumulated high-difficulty injection molding technology and a strict quality management system.
• Key Supply Chain in Secondary Battery and Semiconductor Fields: We diligently fulfill our role as an essential component partner within the supply chain of secondary batteries and semiconductors, which are the backbone of modern industry, thereby securing a strong position.

Recruitment Information

• Main Hiring Positions: Battery component quality inspection and management, Verification of compliance with manufacturing process quality standards, Analysis of defective products and development of improvement plans, Simple laborer
• Benefits: Enrollment in 4 major insurances (National Pension, Employment Insurance, Industrial Accident Compensation Insurance, Health Insurance), Retirement Pension enrollment, Shuttle bus operation, Dormitory

💡 A Word from JobPloy
Sang-A I.J. Co., Ltd. is a manufacturer that produces electric vehicle and mobile phone battery components, as well as plastic parts for semiconductor device assembly. Roles primarily involve production and quality control, where meticulousness and responsibility are crucial due to the nature of precision parts manufacturing. Welfare benefits such as shuttle bus and dormitory may be provided, so it is advisable to check the working environment and welfare information before applying.