UJEN DEVELOPMENT CO., LTD.

High-quality manufacturer of hand screws, knob screws, and adjustable handles, focusing on customization and ISO 9001 certified quality.

From tooling and engineering validation to production readiness, UJEN integrates every development stage into one controlled workflow—reducing handover risk, accelerating timelines, and ensuring consistent quality.

Development

One-Stop Integrated Development & Manufacturing in Taiwan

One-stop integrated development is about removing uncertainty between design and manufacturing.
UJEN integrates product design, mold engineering, material forming, and finishing into a single, Taiwan-based workflow—helping OEM and ODM teams shorten development cycles, stabilize quality, and scale production with confidence.


Why Integrated Development Matters

When development and manufacturing are handled separately, projects often slow down at every handoff—designs become difficult to tool, materials behave differently in production, and finishing results fail to match expectations. These gaps increase rework, extend lead times, and raise overall risk.

UJEN’s integrated development model keeps engineering decisions aligned with real manufacturing conditions from the beginning, ensuring that products are not only well-designed, but also feasible, repeatable, and scalable in production.

Our Integrated Approach

Development at UJEN is structured as a continuous engineering-to-production process. Each stage is designed to support the next, reducing friction and ensuring consistency across the entire product lifecycle.

  • Design decisions guided by manufacturability and long-term production stability
  • Precision mold engineering built for repeatable, high-volume output
  • Material selection based on real-world usage, load, and environmental requirements
  • Surface finishing planned to balance appearance, durability, and handling performance
  • Assembly considerations integrated early to avoid late-stage adjustments

More Than Manufacturing

UJEN is not simply executing production—we work as an engineering partner throughout development. By understanding application constraints, adjustment frequency, user interaction, and production realities, we help refine fastening solutions that perform reliably in real operating environments.

Built for Collaboration

If you have an idea, a challenge, or an application that requires more than a standard component, UJEN’s integrated development capability is designed to support co-development. From early concept discussions to production-ready execution, we help turn practical ideas into reliable fastening solutions.

Result 1 - 2 of 2
Integrated Manufacturing Overview

In today’s fast-paced market where product development cycles are tightening and supply chains are becoming increasingly complex, reliable and efficient...

UJEN: Your Engineering Partner for Integrated Fastener Development

When product development cycles shorten and supply chains grow more complex, fastening components are no longer “just parts.” Knob screws, spring plungers,...

Result 1 - 2 of 2

Secure Positioning with Robust Indexing Plungers for Accurate Component Placement

Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality hand screws, knob screws, adjustable handles, grip knobs, and indexing plungers. Their commitment to customization and precision ensures each component, from hand screws to indexing plungers, meets rigorous standards. This dedication positions UJEN as a leader in supplying durable and reliable industrial components to global markets.

UJEN Development Co., Ltd. is a leading manufacturer of precision-engineered hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers for a variety of industrial needs. Our 45-year legacy, combined with ISO 9001:2015 certification, underscores our commitment to quality, innovation, and customer satisfaction. Specializing in custom solutions, we excel in professional moldmaking, enhancing equipment functionality across industries.

UJEN has been offering customers high-quality hand screws for industrial machinery since 1994, both with advanced technology and 47 years of experiences, UJEN ensures each customer's demands are met.