Comparison & Selection Guides | Elevate Functionality with High-Performance Plastic Knobs for Various Applications

Selecting the right fastening solution is not only a matter of specifications—it is a decision that affects usability, maintenance efficiency, and long-term system performance. The Comparison & Selection Guides are designed to help engineers and buyers understand key differences between fastening concepts, positioning mechanisms, materials, and design approaches. Instead of promoting specific products, these guides focus on decision logic, enabling clearer choices and reducing the risk of over- or under-design. UJEN is a high-quality hand screws, knob screws, adjustable handles, grip knobs and indexing plungers manufacturer from Taiwan since 1994. Precision indexing plungers for industrial applications. UJEN's focus on customization and quality, backed by over 40 years of expertise in plastic injection molding, positions them as a key player for global business buyers in need of reliable screw parts. They emphasize ISO 9001 certified production processes to ensure top-tier product standards for various industrial applications. UJEN is a leading manufacturer of high-quality hand screws in the screw parts industry. With over 40 years of expertise in plastic injection mold development, we have specialized in crafting precision rotary knobs and handles. We offer technical consulting services and customized design solutions to provide full-service from design to production.