Heart+Man Co., Ltd. is a company established in 1999, inheriting the craftsmanship of Shinseong Diesel Engine Manufacturing established in 1965. We specialize in manufacturing fuel injection systems for diesel engines used in marine vessels, power plants, locomotives, and defense industries.

"HEART+MAN is a combination of HEART, meaning human heart, and MAN, meaning person, signifying a manufacturer of critical diesel engine injection parts, like the human heart. Based on over 50 years of know-how and solid technical expertise, Heart+Man Co., Ltd. aims to localize diesel engine fuel injection systems, leading the A/S market by providing high-quality products in a timely manner at reasonable prices. Through extensive experience, we have accumulated the knowledge and know-how to manufacture products through reverse engineering using only samples without original drawings. Products developed with this technology are exported to customers worldwide at reasonable prices."

Business Areas

• Manufacturing and Supply of Diesel Engine Fuel Injection Equipment: We operate a B2B business model that specializes in designing and manufacturing fuel injection equipment (FIE) for medium and large diesel engines used in marine vessels, land-based power generation, and military equipment, supplying them to domestic and international engine manufacturers and parts markets.
• Business Expansion into Various Industrial Fields: We have continuously expanded our business scope beyond marine vessels to include land-based power plants, locomotives, and defense industry diesel engine markets.

Products

• Diesel Engine Fuel Injection System Parts: Key products include injection pumps, plunger barrels (pump elements), delivery valves (valve supports), injection valves, nozzle tips (atomizers), and spindle guides for diesel engine fuel injection systems.
• Products Compatible with Various Engine Types: We have produced products suitable for European engine types such as MAN, WARTSILA, SULZER, SKL, PIELSTICK, MAK, and Japanese engine types such as YANMAR, DAIHATSU, HANSHIN, AKASAKA, MITSUBISHI.

Special Notes

• Over 50 Years of Experience and Technical Know-how: Inheriting the craftsmanship of Shinseong Diesel Engine Manufacturing established in 1965, we produce diesel engine fuel injection systems based on over 50 years of know-how and solid technical expertise.
• Independent Reverse Engineering and Precision Machining Technology: We possess independent technology to manufacture products through reverse engineering using only samples, without original drawings, and lead the localization of high-performance parts through advanced precision machining technology.
• High-Quality and Special Coating Technology: Through technical cooperation with a German special coating company, we develop and apply special high-strength coatings suitable for injection parts, maximizing part lifespan even under harsh conditions of high temperature and pressure.

Recruitment Information

• Main Hiring Positions: Production Management Manager, Government Support Projects and National Projects Manager

💡 A Word from JOBPLOY
Heart+Man Co., Ltd. is a specialized company with over 50 years of experience in the field of marine diesel engine fuel injection equipment manufacturing. There may be positions primarily in production, quality control, and technical development, where proficiency in handling precision mechanical parts and meticulousness are important. For foreign workers, it is crucial to receive thorough training on operating precision machinery and adhering to quality standards, and to strictly follow safety rules.