Information
79 Majang-ro 33-gil, Seongdong-gu, Seoul, South Korea
+82 2-2293-2082
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Overview
- Summary
- HAPDONG, established in 1954, was a leading domestic manufacturer of power transmission devices, developing and producing CHAIN TYPE stepless speed reducers since 1968. The company provided various models of stepless speed reducers based on over 30 years of accumulated technology and know-how. As of 2025, the manufacturer is in a state of closure.HAPDONG, established in 1954, was a leading domestic manufacturer of power transmission devices, developing and producing CHAIN TYPE stepless speed reducers since 1968. The company provided various models of stepless speed reducers based on over 30 years of accumulated technology and know-how. As of 2025, the manufacturer is in a state of closure.
- Key Products/Technologies
- The main product line included CHAIN TYPE stepless speed reducers, core components in power transmission. Detailed product information, including cross-sections and rated output tables, was available. A wide range of product models such as H-H, H-V, H-GH, H-GM, H-DGM, H-GCM, and V(H)-PM were offered. Expertise in the development and production of chain gear stepless speed reducer types, features, and attached devices.The main product line included CHAIN TYPE stepless speed reducers, core components in power transmission. Detailed product information, including cross-sections and rated output tables, was available. A wide range of product models such as H-H, H-V, H-GH, H-GM, H-DGM, H-GCM, and V(H)-PM were offered. Expertise in the development and production of chain gear stepless speed reducer types, features, and attached devices.
- Successful development and production of the first domestic CHAIN TYPE stepless speed reducer in 1968. Possession of over 30 years of accumulated technical resources and proprietary know-how. Continuous research and development efforts for product performance improvement. Pursuit of ongoing technological advancement in response to changing market conditions. Establishment of leading technical capabilities in the field of stepless speed reducers.Successful development and production of the first domestic CHAIN TYPE stepless speed reducer in 1968. Possession of over 30 years of accumulated technical resources and proprietary know-how. Continuous research and development efforts for product performance improvement. Pursuit of ongoing technological advancement in response to changing market conditions. Establishment of leading technical capabilities in the field of stepless speed reducers.
- Core Advantages
- A market-leading company that achieved a top position among domestic stepless speed reducer manufacturers. A long history and tradition since its establishment in 1954. Contribution to domestic technological self-reliance through the development of CHAIN TYPE stepless speed reducers in 1968. Possession of over 30 years of accumulated technical resources and proprietary know-how. Maintenance of technological competitiveness through continuous research and development.A market-leading company that achieved a top position among domestic stepless speed reducer manufacturers. A long history and tradition since its establishment in 1954. Contribution to domestic technological self-reliance through the development of CHAIN TYPE stepless speed reducers in 1968. Possession of over 30 years of accumulated technical resources and proprietary know-how. Maintenance of technological competitiveness through continuous research and development.
- Establishment of a diverse product model lineup (H-H, H-V, H-GH, H-GM, H-DGM, H-GCM, V(H)-PM). Capability to provide customized solutions to meet various customer demands. Specialization and reliability in the power transmission sector. Brand recognition as a prominent domestic stepless speed reducer manufacturer. However, current competitive advantages are nullified due to the company's closure.Establishment of a diverse product model lineup (H-H, H-V, H-GH, H-GM, H-DGM, H-GCM, V(H)-PM). Capability to provide customized solutions to meet various customer demands. Specialization and reliability in the power transmission sector. Brand recognition as a prominent domestic stepless speed reducer manufacturer. However, current competitive advantages are nullified due to the company's closure.
- Target Industrie
- Various industrial sectors requiring power transmission devices. General industrial machinery and equipment. Automation systems. Manufacturing process lines. Equipment requiring precise control.Various industrial sectors requiring power transmission devices. General industrial machinery and equipment. Automation systems. Manufacturing process lines. Equipment requiring precise control.
- Major Markets
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- Certifications/Patents
- Technical competitiveness derived from over 30 years of accumulated technical resources and know-how. Expertise in the development and production of CHAIN TYPE stepless speed reducers. Lack of publicly available information on specific patents and certifications. However, the company's leading position in the domestic stepless speed reducer sector serves as evidence of its technical prowess.Technical competitiveness derived from over 30 years of accumulated technical resources and know-how. Expertise in the development and production of CHAIN TYPE stepless speed reducers. Lack of publicly available information on specific patents and certifications. However, the company's leading position in the domestic stepless speed reducer sector serves as evidence of its technical prowess.
Introduction
Location
79 Majang-ro 33-gil, Seongdong-gu, Seoul, South Korea
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