UJEN DEVELOPMENT CO., LTD.

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

UJEN – One-Stop Integrated Development & Manufacturing in Taiwan

Development

One-Stop Integrated Development & Manufacturing in Taiwan

In today’s fast-paced manufacturing landscape, achieving speed-to-market, precision, and reliability is essential.
At UJEN, we provide one-stop integrated manufacturing and product development services in Taiwan, combining product design, mold making, material engineering, and surface finishing into a seamless workflow.

Our integrated solution enables global clients to turn ideas into high-quality, market-ready products — with traceable processes, reduced lead times, and consistent cost efficiency.


Why Choose UJEN Integrated Manufacturing

With over 40 years of precision engineering experience and ISO 9001-certified production, UJEN stands as a trusted manufacturing partner in Taiwan.
We specialize in custom mold development, plastic and metal forming, and complete assembly solutions that help clients simplify their supply chains and focus on innovation.

Key Advantages:
  • Single point of contact – Simplify supplier coordination and quality control.
  • Integrated process workflow – From DFM (Design for Manufacturability) to mass production.
  • Custom material selection – Optimize plastic, metal, or hybrid component performance.
  • Prototype to production – Accelerate validation cycles and ensure reliable scalability.
  • Global delivery – Full-service logistics and export support for worldwide OEM/ODM projects.

Explore Our Manufacturing Capabilities

Our production workflow covers the full value chain to deliver one-stop integrated manufacturing—from DFM design and high-precision mold development to material forming, surface finishing & assembly, and quality assurance & logistics.

  1. Product Design & Engineering – 3D modeling, design optimization, and feasibility analysis to accelerate prototyping and reduce rework.
  2. Mold Development – High-precision metal and plastic injection molds engineered for repeatable mass production.
  3. Material Forming – Plastic injection, die casting, CNC machining, or hybrid processes for complex, high-tolerance components.
  4. Surface Finishing & Assembly – Polishing, coating, and mechanical or electronic assembly with traceable WI/SOP control.
  5. Quality Assurance & Logistics – Rigorous testing and export-ready packaging solutions following ISO 9001 quality standards.
Learn more about each process step:
[Design & DFM Optimization] → [Mold Development] → [Material Forming] → [Surface Treatment] → [Quality & Assembly]

Drive Innovation Through Collaboration

By partnering with UJEN, you gain more than a manufacturer — you gain a strategic engineering partner dedicated to helping your product succeed in the global market.

Our integrated development model ensures faster launch cycles, reliable scalability, and higher ROI.

 Contact our engineering team today to discuss your next project or request a prototype sample.

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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 Trusted International Partner for Precision Knob Fasteners and Mechanical Components

UJEN, a Taiwan-based manufacturer of handle screws, knob fasteners, and clamping components, provides a one-stop integrated manufacturing solution that...

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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.