UJEN DEVELOPMENT CO., LTD. - UJEN is a manufacturer with 45 years of experience in producing hand screws, offering custom services and professional mold-making capabilities for knobs & handles.

UJEN Handle Screws for Industrial Applications | Custom Solutions

Discover UJEN's versatile handle screws and knob fasteners for fitness, medical, mechanical, and furniture applications. 45 years of expertise.

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UJEN Handle Screws: Versatile Solutions Across Multiple Industries

Explore how UJEN's customizable knob screws and adjustable handles deliver high-adaptability fastening solutions for mechanical manufacturing, medical equipment, sports equipment, monitor stands, fitness equipment, home appliances, and outdoor facilities.

In which fields are UJEN's handle screws applicable?

Our knob screws are widely used in various fields, including mechanical manufacturing, medical equipment, sports equipment, monitor stands, fitness equipment, home appliances, and outdoor facilities. This is due to our products' high adaptability and customization capability, meeting the needs of different industries and application scenarios. Whether it's for high-load mechanical equipment or furniture products that balance beauty and practicality, UJEN can provide the most suitable solution.


How can you reduce assembly complexity while improving user experience in fitness equipment adjustments?

UJEN's tool-free fastening handle screws eliminate traditional screw limitations in fitness equipment, enabling users to make quick adjustments without tools. Our 45 years of expertise in mechanical fastening ensures your fitness products deliver both durability under high-load conditions and intuitive user experience. Contact UJEN today to explore custom knob solutions specifically engineered for your fitness equipment line.

By choosing UJEN's handle screws, you gain access to tool-free fastening innovations that eliminate traditional screw limitations and improve user experience across your product line. Our ISO 9001 certified manufacturing processes guarantee consistent quality and reliability, while our technical consulting services ensure optimal integration of our solutions into your designs. Transform your product's competitive advantage with UJEN's proven expertise in plastic injection mold development and custom knob engineering—solutions designed to elevate both performance and brand value in your target market.