Dongsan Tech Co., Ltd. is a non-ferrous metal casting specialist company with 48 employees, located in Haman-gun, Gyeongnam. Led by CEO Shim Hyun-seok, the company produces castings and forgings from aluminum and copper alloy materials, and is recognized for its technological prowess in the field of heavy electrical equipment parts. Since its establishment in 1985, it has been supplying high-quality products to customers through accumulated casting technology and continuous research and development.

"Since its establishment in 1985, Dongsan Tech Co., Ltd. has been a leader in the non-ferrous metal casting field, striving to supply customers with the best products and highest quality on time through accumulated casting technology and continuous research and development. We produce castings and forgings for heavy electrical equipment from pure copper, copper alloy, and aluminum alloy materials, supplying them as finished parts after precision machining. We are nurturing excellent talent through systematic education and training, and are pursuing continuous change and and efficiency improvement to grow into a globally recognized company."

Business Areas

• Production of Non-ferrous Metal Castings and Forgings: We specialize in producing castings and forgings for heavy electrical equipment using aluminum and copper alloy materials. After precision machining, they are supplied to clients as finished parts.
• Electromagnetic Force-based Molten Metal Control Technology: We are a technology innovation-driven company specializing in the production of high-strength aluminum alloy materials and parts, with electromagnetic force-based molten metal control technology at our core. Through this, we are improving product quality and performance.
• Development and Production of High-Value-Added Products: Based on our proprietary electromagnetic stirring and special casting technologies, we develop and produce high-value-added products such as high-performance propellers for ships and tank parts for high-voltage circuit breakers (GIS).

Products

• Castings and Forgings for Heavy Electrical Equipment: We produce high-quality heavy electrical equipment parts using pure copper, copper alloy, and aluminum alloy materials through casting and forging methods. These are used as core components in the power industry.
• High-Performance Propellers for Ships: Utilizing electromagnetic control low-pressure casting technology, we develop and produce 20 types of various ship propellers ranging from 8-21 inches. We contribute to the shipbuilding industry through a stable supply of aluminum propellers.
• Tank Parts for High-Voltage Circuit Breakers (GIS): We produce complex and large aluminum cast products for high-voltage circuit breakers (GIS), which use SF6 gas insulation. We provide high-quality products that require high airtightness and pressure resistance.

Special Notes

• Accumulated Casting Technology and Research & Development: Since its establishment in 1985, as a leader in non-ferrous metal casting, we have been supplying the best products to customers on time through long-accumulated casting technology and continuous investment in research and development.
• Technology Innovation-driven Production System: We are a technology innovation-driven company specializing in the production of high-strength aluminum alloy materials and parts, with electromagnetic force-based molten metal control technology at our core. Through this, we secure differentiated competitiveness.
• Nurturing Excellent Talent and Quality Management: We are nurturing excellent talent through systematic education and training, and are striving to grow into a globally recognized company by pursuing continuous change and efficiency improvement.

Recruitment Information

• Main Hiring Positions: Production Equipment (1+ years experience), Sales Representative (delivery assistance, product packaging and shipping, surface treatment ordering and receiving management).

💡 A Word from JobPloy
Dongsan Tech Co., Ltd. is a manufacturing company that produces non-ferrous metal castings and forgings, primarily handling aluminum and copper alloy materials to create heavy electrical equipment parts. For production roles, tasks such as casting, forging, and precision machining may be performed, and acquiring relevant skills and adhering to safety regulations are important. As investment in technology development is active, there will be opportunities for continuous learning and growth.