(주)고려주공 is a company specializing in aluminum alloy gravity die casting, located in Siheung-si, Gyeonggi-do. Established in 1992, we develop and produce various products in the aluminum casting and foundry fields. We are a small and medium-sized enterprise operated by 8 employees.

"Since its establishment in 1992, (주)고려주공 has continued to challenge and innovate under the values of technology-centricity and quality-first. Based on accumulated technology and know-how in the field of aluminum alloy gravity die casting, we are a company that has built trust by establishing precise quality and stable production capabilities."

Business Areas

• Aluminum Alloy Gravity Die Casting: (주)고려주공 specializes in aluminum alloy gravity die casting and produces various cast and molded products through the casting process. We develop products using the gravity casting method, a type of non-ferrous casting.
• Aluminum Cast Product Development and Production: We develop and mass-produce aluminum cast products applied in various industrial fields. We focus on developing products that reduce processing steps and achieve cost savings according to customer requirements.

Products

• OIL COOLER TANK: The oil cooler TANK, which has been actively mass-produced since 2014, is a product that eliminates the processing step by inserting inserts into the existing processing area during casting, thereby reducing process time and costs.
• Dual Solenoid Valve: This product, with its complex internal shape, is cast by inserting a core and has been steadily mass-produced every year. It is an example that demonstrates our capability in developing and producing various cast products.
• Industrial and Automotive Parts: We produce various industrial and automotive parts, including communication RACK FRAME, heat dissipation fins for repeaters, LED LAMP HOUSING, high-efficiency CAC TANK for self-generators, CLACK forklift TANKs, industrial turbo blowers, Korea Railroad Corporation LEVELING VALVE and antenna housings, special marine CCTV parts, and KIA SUV RAD TANK.

Special Notes

• Excellent Technology and Technical Evaluation Grade: We have been recognized for our excellent technology by obtaining a 'T-4' grade in the technical credit evaluation (TCB) by NICE Information Service, a nationally accredited technical credit rating agency. This is equivalent to the conditions for a KOSDAQ technical special listing and is the highest grade a non-listed small and medium-sized enterprise can receive.
• Expertise and Know-how in Gravity Die Casting: We possess accumulated technology and know-how based on over 30 years of experience in the field of aluminum alloy gravity die casting. We earn customer trust through precise quality and stable production capabilities.
• Cost Reduction through Process Innovation: We pursue continuous process innovation, such as eliminating post-casting processing by inserting inserts into the product during casting, significantly reducing process time and costs.

Recruitment Information

• Main Hiring Positions: We primarily recruit for aluminum casting and post-processing positions. Experienced individuals capable of aluminum gravity die casting and post-processing, as well as individuals with no prior experience who wish to learn casting, are welcome to apply.
• Benefits: Enrollment in the 4 major insurances (National Pension, Employment Insurance, Industrial Accident Compensation Insurance, Health Insurance) is provided, along with severance pay and meal allowances. The work schedule is 5 days a week, with a total of 40 working hours per week.

💡 A Word from JobPloy
(주)고려주공 is a small and medium-sized enterprise with expertise in aluminum casting and foundry. The roles of caster and post-processing require precise work and adherence to safety regulations, as well as a continuous attitude of learning and improving skills. Basic welfare benefits such as 4 major insurances, severance pay, and meal allowances are provided, making it a good opportunity for foreign workers who want to learn skills in a stable environment.