PyungHwa Oil Seal Industrial

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PyungHwa Oil Seal Industrial

PyungHwa Oil Seal Industrial is a specialized oil seal manufacturer established as a joint venture between PyungHwa Holdings and NOK Corporation (Japan). We have played a key role in localizing essential components across various industries, including the automotive sector. By continuously developing new technologies, we are strengthening our competitiveness in the eco-friendly and future mobility sectors.

Headquarters

Gumi Oil Seal Industrial Plant 2

Gumi Oil Seal Industrial Plant 4

Gumi Oil Seal Plant

Sealing R&D Center

PRODUCT

Products

High Speed Rotational Seal

Sealing Systems
Shaft Ground Ring

Sealing Systems
Vis Valve

Sealing Systems
Valve Stem Seal

Sealing Systems
CrankShaft Seal

Sealing Systems
Thrust Washer

Sealing Systems
Plastic Seal Ring (PEEK / PTFE etc…)

Sealing Systems
Gasket

Sealing Systems
O-ring

Sealing Systems
D-ring

Sealing Systems
Diff Side Seal

Sealing Systems
Bonded Piston Seal (BPS)

Sealing Systems
Balance Canceller Seal (BCS)

Sealing Systems
Piston Assy-Accumulator

Sealing Systems
Shock Absorber Seal

Sealing Systems
Power Steering Seal

Sealing Systems
Hub Bearing Seal

Sealing Systems
Dust Cap

Sealing Systems
Bumper Stopper

Sealing Systems
Water Seal

Sealing Systems
Diaphragm

Sealing Systems
Boot Pin

Sealing Systems
Cup

Sealing Systems
R&D

R&D

Through continuous R&D, we are leading the future of the mobility industry.
By integrating advanced materials, precision processing technology,
and eco-friendly energy solutions, we enhance the performance and safety of automotive components. We develop innovative products that keep pace with the rapidly evolving global market.

Our R&D Center focuses on the core pillars of the automotive industry: Safety, Durability, and Efficiency.

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CERTIFICATE

Certifications
and Awards

  • Designated as an Excellent Quality Competitiveness Enterprise (for 16 Years)

    2025

  • Received the Hyundai WIA Excellent Supplier Award (New Vehicle Development Category)

    2024.02

  • Maintained IATF 16949 Certification

    2024.06

  • Maintained ISO 14001 Certification

    2024

  • Received the GM Supplier Quality Excellence Award (for 13 consecutive years)

    2024

ESG

Sustainability

Initiatives & Ratings
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Environmental
Management System
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Climate Change
Health & Safety
System
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NEWS

Newsroom

PyungHwa Oil Seal Achieves 16 Consecutive Years of Certification as a Quality Competitiveness Excellent Company

On November 19, 2025, PyungHwa Oil Seal Industrial Co., Ltd. was once again recognized as a Quality Competitiveness Excellent Company for the 16th consecutive year at the National Quality Management Convention hosted by the Ministry of Trade, Industry and Energy. Since receiving its first certification in 2010, PyungHwa Oil Seal has continuously advanced its quality management system through systematic innovation efforts, maintaining uninterrupted certification through 2025. In recognition of achieving 10 consecutive years of certification, the company was inducted into the Hall of Fame in 2022. The evaluation process begins each April with applications, followed by self-assessments in May and on-site audits conducted between May and June. Assessments are carried out by examiners from the Korea Standards Association along with external experts, who comprehensively review the company’s overall quality management capabilities.The evaluation covers 13 categories, including: Strategy and management systemsCorporate culture and talent developmentInformation analysis and managementQuality systemsCustomer satisfactionBusiness performanceTotal Productive Maintenance (TPM)LogisticsProduct development and technological capabilityProduct liabilitySmall group and suggestion improvement activitiesStatistical quality controlReliability Over the past five years, PyungHwa Oil Seal has consistently received outstanding scores in the annual assessments: 2021: 951 points2022: 952 points2023: 963.5 points2024: 971.7 points2025: 964.6 points These results demonstrate the company’s sustained excellence in quality management and operational competitiveness.The award ceremony is held annually in November at COEX, with the CEO and company representatives attending to receive the honor.This 16-year consecutive recognition represents a significant achievement, externally validating PyungHwa Oil Seal’s accumulated technological expertise, systematic quality management, and continuous innovation efforts. Moving forward, PyungHwa Oil Seal will continue to prioritize customer trust while strengthening its global-level quality competitiveness to achieve sustainable growth.

2025.11.19
PyungHwa Oil Seal Industry Receives the Chairman’s Award as an Outstanding Member Company of the Korea Standards Association

On December 10, 2024, PyungHwa Oil Seal Industry was honored with the Chairman’s Award as an Outstanding Member Company of the Korea Standards Association. This recognition acknowledges the company’s continuous efforts in advancing quality management innovation, strengthening industrial competitiveness, and contributing to the development and growth of member companies within the Korea Standards Association. Through sustained improvement initiatives and systematic quality management practices, PyungHwa Oil Seal Industry has demonstrated leadership in promoting standardized management excellence and reinforcing the foundation of industrial quality advancement.

2024.12.10
PyungHwa Oil Seal Certified as an Excellent Quality Competitiveness Company for 15 Consecutive Years

On November 20, 2024, at the 50th National Quality Management Convention hosted by the Ministry of Trade, Industry and Energy, PyungHwa Oil Seal Industry achieved the remarkable milestone of being recognized as an Excellent Quality Competitiveness Company for the 15th consecutive year, following its first certification in 2010. Since its initial recognition, the company has continuously advanced its quality management system through systematic innovation initiatives. To strengthen quality competitiveness, PyungHwa Oil Seal operates the “POS Line 5 Star” system, which evaluates and upgrades production cells while ensuring the highest level of quality control required by customers. In addition, the company has implemented the “Quality Yellow Bell” reporting system to proactively identify and immediately address potential quality issues. Through its emergency response system, “Q-Risk CFT,” cross-functional teams of product and field specialists conduct root cause analyses and establish corrective measures to fundamentally prevent the outflow of nonconforming products. To drive innovation in production operations, the company has enhanced its Master Production Scheduling (MPS) system to forecast customer orders and established an integrated system that connects production planning to final delivery. As a result of these continuous improvements, inventory levels have been reduced by more than 50%, while inventory turnover and on-time delivery rates have significantly increased. Automation rates have been raised to over 60% to improve operational efficiency, and a preventive maintenance system has been implemented to substantially reduce equipment failure rates. This consecutive recognition reflects the sustained excellence and unwavering commitment of PyungHwa Oil Seal Industry to quality innovation and operational competitiveness.

2024.11.20
PyungHwa Oil Seal Inducted into the Hall of Fame as an Excellent Quality Competitiveness Company at the National Quality Management Convention

An award ceremony was held on November 23, 2022, at KINTEX in Ilsan, Gyeonggi Province, during the 48th National Quality Management Convention, hosted by the Korean Agency for Technology and Standards under the Ministry of Trade, Industry and Energy and organized by the Korea Standards Association. A total of 39 companies were recognized as Excellent Quality Competitiveness Companies.The “Excellent Quality Competitiveness Company” designation is awarded annually to companies that achieve outstanding business performance through robust quality management systems, strong technological capabilities, and continuous quality improvement.The program focuses on identifying companies with comprehensive competitiveness in areas such as quality innovation and customer satisfaction, while encouraging and supporting corporate quality management initiatives.Originating from the “Top 100 Quality Management Companies” program launched in 1994, the initiative evolved into the “Top 100 Quality Competitiveness Companies” in 1997 and marked its 29th year this year.The evaluation process requires companies to conduct an online self-assessment through the Quality Competitiveness Assessment System (QCAS). A panel of approximately 50 quality experts then carries out on-site evaluations across around 13 criteria, including strategy and management systems, talent development, quality systems, product development and technological capability, and customer satisfaction. Based on the comprehensive assessment, only companies verified to achieve Grade 1 or Grade 2 out of nine grades (900 points or higher out of 1,000) are finally selected.Among the 39 companies selected this year, the industry breakdown included four in metals, six in machinery, nine in electrical and electronics, six in chemicals, two in other industries, and twelve public institutions. By company size, three were large corporations, sixteen mid-sized enterprises, eight small and medium-sized enterprises, and twelve public enterprises, with particularly strong participation from mid-sized companies.This year, Seoyon E-Hwa, PyungHwa Oil Seal Industry, and Korea Gas Technology Corporation underwent rigorous on-site evaluations and were officially inducted into the Hall of Fame, reaffirming their exceptional level of quality competitiveness.

2022.11.23
PyungHwa Oil Seal Recognized for 10 Consecutive Years as an Excellent Quality Competitiveness Company at the 45th National Quality Management Convention

(Photo: Kim Sung-ik, Executive Vice President, PyungHwa Oil Seal Co., Ltd.) At the 45th National Quality Management Convention held on November 13 at COEX in Seoul and hosted by the Korean Agency for Technology and Standards under the Ministry of Trade, Industry and Energy, nine member companies—including PyungHwa Oil Seal Industry, Kukdong Jeayon Industrial, Daeshin Machinery, Daehan Solution, Deokyang Industry, Dongbo, Seoyon E-Hwa, HANDS Corporation, and Hyundai Transys—were honored as Excellent Quality Competitiveness Companies in the machinery and chemical sectors. A total of 493 awards, including Industrial Medals, Presidential Citations, and Prime Minister’s Commendations, were presented to individuals and organizations that contributed to strengthening industrial competitiveness through quality management initiatives. PyungHwa Oil Seal Co., Ltd. / 10-Year Consecutive Recognition in the Machinery Sector PyungHwa Oil Seal Co., Ltd. (CEO Kim Dong-kwan) has continuously driven innovation in its quality management systems under the slogan, “Be the First to be the Best,” with the goal of becoming a company that satisfies both customers and employees by upholding fundamental principles and encouraging voluntary participation to achieve top performance. Based on three core pillars—quality, production, and talent—the company benchmarked Hyundai Motor Company’s Five-Star evaluation system to strengthen quality competitiveness. Production site cell lines are classified and managed under a five-level grading system to ensure systematic quality control. Processes and cells with lower ratings are subject to focused improvement and level-up initiatives to enhance overall operational excellence. Through the implementation of its “Quality 119” program and the Q-Risk preventive management system, the company successfully achieved a reduction of more than 79% in customer complaints since 2012.

2020.11.13
Gold Tower Order of Industrial Service Merit Awarded at the 40th National Quality Management Convention

On November 19, the Korean Agency for Technology and Standards under the Ministry of Trade, Industry and Energy hosted the 40th National Quality Management Convention at COEX in Seoul. The event recognized individuals and organizations that have made significant contributions to strengthening Korea’s industrial competitiveness and advancing quality management. Chairman Kim Jong-seok of PyungHwa Oil Seal Industry Receives Gold Tower Order — “KRW 2.5 Trillion in Import Substitution” The highest honor of the convention, the Gold Tower Order of Industrial Service Merit, was awarded to Chairman Kim Jong-seok of PyungHwa Oil Seal Industry, who has led Korea’s rubber industry for 37 years. Chairman Kim was recognized for successfully localizing key components such as oil seals and O-rings, which prevent contaminants from entering machinery systems. His achievements generated an estimated KRW 2.5 trillion in import substitution effects, making a significant contribution to the development of Korea’s automotive and machinery industries. Other Major Award Recipients Major decorations and commendations were presented to business leaders and companies demonstrating excellence in quality management. Silver Tower Order of Industrial Service Merit: Chairman Kim Bo-kyun of Chemtronics; Executive Vice President Song Kwon-ho of Hankook Tire & Technology Bronze Tower Order of Industrial Service Merit: CEO Jang Gi-bong of Master Automobile ManagementIron Tower Order of Industrial Service Merit: CEO Lee Dong-woo of Hotel Lotte (Lotte World)National Quality Award (Organization): Daehan Solution, a key quality partner to global automakers including Hyundai Motor Company and General Motors Recognizing Leaders in Quality InnovationIn addition to the industrial decorations, a total of 425 awards were presented, including Presidential and Prime Minister commendations. Notably, 293 Quality Control Circle teams that proactively led quality improvement initiatives at industrial sites were honored, and 26 exemplary workers demonstrating outstanding craftsmanship were newly designated as National Quality Masters.

2014.11.19
CONTACT

Location

  • Address
    42 Nongongjungang-ro 51-gil, Nongong-eup, Dalseong-gun, Daegu, Republic of Korea
  • Tel
    +82-53-610-9000
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