Overview
- Summary
- Established in 1999, DURI MITEC Co., Ltd. is a specialized company that directly manufactures and distributes essential components such as couplings, power locks, and precision lock nuts for automation, machine tools, and power transmission systems. The company delivers reasonable and competitive prices to achieve customer satisfaction, continuously responding to market demands through ongoing development and stringent quality control. It is a technology-leading enterprise, notably for being the first in Korea to mass-produce ground lock nuts and successfully localize machine tool couplings.Established in 1999, DURI MITEC Co., Ltd. is a specialized company that directly manufactures and distributes essential components such as couplings, power locks, and precision lock nuts for automation, machine tools, and power transmission systems. The company delivers reasonable and competitive prices to achieve customer satisfaction, continuously responding to market demands through ongoing development and stringent quality control. It is a technology-leading enterprise, notably for being the first in Korea to mass-produce ground lock nuts and successfully localize machine tool couplings.
- Key Products/Technologies
- Its main product lines include couplings, power locks, and lock nuts, all vital components for automation machinery, machine tools, and power transmission systems. Couplings connect driving and driven shafts for power transmission, utilizing high-strength aluminum alloy (duralumin) for lightweight, high rigidity, and low inertia. These couplings excel in high torque transmission, are optimized for machine tool spindles with superior high-speed rotation capabilities, and absorb eccentricity and angular misalignment vibrations, offering electrical insulation. The DHRA coupling line features high-performance anti-vibration, high backlash, high response, high reduction, and vibration absorption, providing solutions for superior Gain & Response performance.Its main product lines include couplings, power locks, and lock nuts, all vital components for automation machinery, machine tools, and power transmission systems. Couplings connect driving and driven shafts for power transmission, utilizing high-strength aluminum alloy (duralumin) for lightweight, high rigidity, and low inertia. These couplings excel in high torque transmission, are optimized for machine tool spindles with superior high-speed rotation capabilities, and absorb eccentricity and angular misalignment vibrations, offering electrical insulation. The DHRA coupling line features high-performance anti-vibration, high backlash, high response, high reduction, and vibration absorption, providing solutions for superior Gain & Response performance.
- Power locks are components that transmit power without the need for keyways on shafts and hubs, enhancing component strength and enabling high torque transmission. They allow for easy axial position adjustment and are available in a wide range from standard to special sizes. Models like DRMC, DRAP, MASUS, MAS, and MAD are part of their diverse offerings, with DR200, DR300F, and DR133B series known for their high torque transmission capabilities.Power locks are components that transmit power without the need for keyways on shafts and hubs, enhancing component strength and enabling high torque transmission. They allow for easy axial position adjustment and are available in a wide range from standard to special sizes. Models like DRMC, DRAP, MASUS, MAS, and MAD are part of their diverse offerings, with DR200, DR300F, and DR133B series known for their high torque transmission capabilities.
- Lock nuts are used for fixing bearings to rotating bodies, featuring a set screw for anti-loosening functionality. Their excellent perpendicularity makes them ideal for high-precision applications such as machine tool spindles and ball screw support bearings. With ISO 4H thread precision and perpendicularity of 0.002~0.007mm, they ensure high precision and strong anti-loosening capabilities against vibration. The company strengthened its market position by being the first in Korea to mass-produce ground lock nuts, and the TWIN FU-NUT offers exceptional anti-loosening with a friction ring, maintaining loosening torque even after repeated use, representing an innovative bearing lock nut.Lock nuts are used for fixing bearings to rotating bodies, featuring a set screw for anti-loosening functionality. Their excellent perpendicularity makes them ideal for high-precision applications such as machine tool spindles and ball screw support bearings. With ISO 4H thread precision and perpendicularity of 0.002~0.007mm, they ensure high precision and strong anti-loosening capabilities against vibration. The company strengthened its market position by being the first in Korea to mass-produce ground lock nuts, and the TWIN FU-NUT offers exceptional anti-loosening with a friction ring, maintaining loosening torque even after repeated use, representing an innovative bearing lock nut.
- Key technologies include precision component manufacturing based on ISO 4H grade thread accuracy and high clamping force. The company also possesses capabilities for producing eco-friendly products that meet green procurement standards such as RoHS and JIG24. A rigorous quality control system ensures the precision of each individual product.Key technologies include precision component manufacturing based on ISO 4H grade thread accuracy and high clamping force. The company also possesses capabilities for producing eco-friendly products that meet green procurement standards such as RoHS and JIG24. A rigorous quality control system ensures the precision of each individual product.
- Core Advantages
- A direct production and distribution system enabling the supply of products at reasonable and competitive prices.A direct production and distribution system enabling the supply of products at reasonable and competitive prices.
- Technological leadership demonstrated by the successful localization of machine tool couplings in August 2014 and the pioneering mass production of ground lock nuts in October 2014 in Korea.Technological leadership demonstrated by the successful localization of machine tool couplings in August 2014 and the pioneering mass production of ground lock nuts in October 2014 in Korea.
- Superior product quality based on high-precision technology, including ISO 4H grade thread accuracy, high clamping force, and excellent perpendicularity.Superior product quality based on high-precision technology, including ISO 4H grade thread accuracy, high clamping force, and excellent perpendicularity.
- Flexibility in responding quickly to diverse customer demands through a wide range of product lines and customized options.Flexibility in responding quickly to diverse customer demands through a wide range of product lines and customized options.
- Recognition of technological prowess and market contribution through the Presidential Commendation for Excellent Capital Goods Development in 2016 and the Minister of Trade, Industry and Energy Award in 2022.Recognition of technological prowess and market contribution through the Presidential Commendation for Excellent Capital Goods Development in 2016 and the Minister of Trade, Industry and Energy Award in 2022.
- Compliance with environmental regulations and securing market competitiveness by producing products that meet eco-friendly standards such as RoHS and JIG24.Compliance with environmental regulations and securing market competitiveness by producing products that meet eco-friendly standards such as RoHS and JIG24.
- Establishment of a Chinese corporation and a Japanese Osaka branch, facilitating entry into overseas markets and building a global network.Establishment of a Chinese corporation and a Japanese Osaka branch, facilitating entry into overseas markets and building a global network.
- Continuous investment in research and development and the capability for developing new technologies and products through its corporate R&D center.Continuous investment in research and development and the capability for developing new technologies and products through its corporate R&D center.
- Target Industrie
- Automation machinery industry: Power transmission and precision control components for factory automation (FA) equipment and robotic systems.Automation machinery industry: Power transmission and precision control components for factory automation (FA) equipment and robotic systems.
- Machine tool industry: Spindle and feed shaft connection components for high-precision machine tools such as CNC, turning centers, tapping centers, and automatic lathes.Machine tool industry: Spindle and feed shaft connection components for high-precision machine tools such as CNC, turning centers, tapping centers, and automatic lathes.
- Power transmission system industry: Key components for various power transmission systems, including bearing and ball screw support bearing fastening.Power transmission system industry: Key components for various power transmission systems, including bearing and ball screw support bearing fastening.
- Major Markets
- China, JapanChina, Japan
- United StatesUnited States
- Certifications/Patents
- ISO 9001 and ISO 14001 Quality and Environmental Management System Certifications (April 2009).ISO 9001 and ISO 14001 Quality and Environmental Management System Certifications (April 2009).
- Precision Lock Nut Patent Certification (November 2012).Precision Lock Nut Patent Certification (November 2012).
- DURI MITEC Trademark Registration (January 2012).DURI MITEC Trademark Registration (January 2012).
- Coupling Design Registration (September 2012).Coupling Design Registration (September 2012).
- RoHS Certification (Lock Nuts April 2013, Power Locks and Couplings May 2013).RoHS Certification (Lock Nuts April 2013, Power Locks and Couplings May 2013).
- Parts and Materials Specialist Company Certification (May 2013).Parts and Materials Specialist Company Certification (May 2013).
- INNOBIZ Company Certification (July 2013).INNOBIZ Company Certification (July 2013).
- Integrated Flexible Coupling Patent Registration (June 2016).Integrated Flexible Coupling Patent Registration (June 2016).
- Power Transmission Coupling Design Registration (October 2016).Power Transmission Coupling Design Registration (October 2016).
- Power Transmission Coupling Fastener Design Registration (October 2016).Power Transmission Coupling Fastener Design Registration (October 2016).
- Power Transmission Coupling Design Registration (September 2019).Power Transmission Coupling Design Registration (September 2019).
- Power Transmission Coupling Related Design Registration (September 2019).Power Transmission Coupling Related Design Registration (September 2019).
- Power Transmission Coupling Connector Design Registration (November 2019).Power Transmission Coupling Connector Design Registration (November 2019).
- Designation as an Export-Promising Small and Medium Enterprise (June 2021).Designation as an Export-Promising Small and Medium Enterprise (June 2021).
- Designation as a Work-Study Parallel Learning Enterprise (September 2021).Designation as a Work-Study Parallel Learning Enterprise (September 2021).
Introduction
Key Products
Location
15 Gyeongin-ro 53-gil, Guro District, Seoul, South Korea
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