Leading Manufacturer Of Precision Couplings | Sung-il Machinery

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SUNG-IL MACHINERY CO., LTD is a leading manufacturer of precision couplings and factory automation components in South Korea. Established in 1991, the company became the first in Korea to produce high-precision couplings domestically, reducing reliance on imported products and paving the way for innovation in the automation industry.

Wide Range of Couplings and Automation Components
Sung-il Machinery specializes in developing and manufacturing rigid, flexible, safety, and miniature couplings that deliver zero backlash, high responsiveness, and ultra-precision performance. Popular product lines include the SRG Series rigid coupling and the SFC Series flexible coupling, designed for applications that demand accuracy and stability.

In addition to couplings, the company also produces:
 Support units for ball screws
 Connecting shafts
 Timing pulleys
 A.P. Locks (power locks)
 Safety couplings

This comprehensive product portfolio makes Sung-il Machinery a trusted partner for industries such as semiconductors, displays, mobile devices, robotics, and industrial ...
... automation.

Market Leadership and Global Reach
Sung-il Machinery serves more than 3,000 customers worldwide. Its products are exported to over 60 countries, including the United States, Europe, Japan, China, and Southeast Asia.

Quality, Certifications, and Awards
The company’s dedication to quality is backed by ISO 9001 and ISO 14001 certifications, ensuring that every coupling and automation component meets international standards. Recognitions such as the World-Class Product award (2022) and the Silver Tower Medal (2023) further highlight Sung-il Machinery’s excellence in high-precision shaft coupling technology.

Why Choose Sung-il Machinery?
 Proven expertise with over 30 years in coupling manufacturing
 Comprehensive product range for factory automation systems
 High market share and trusted by thousands of global customers
 Continuous innovation recognized by international awards

For businesses looking for high-precision couplings, reliable automation components, and globally trusted expertise, Sung-il Machinery is a proven partner driving efficiency and performance in automation systems.

If you are looking for a coupling manufacturing company, you can find them at SUNG-IL MACHINERY.

Click here if you are interested in SUNG-IL MACHINERY products.
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