We cooperate with several professional logistics companies to ensure safe and rapid delivery of products to our clients. Regardless of your location around the world, we can offer flexible logistics solutions,...

We offer comprehensive technical support, including knob screw selection advice, installation guidance, and performance optimization. You can contact our technical experts via website, email, or online...

Yes, we are more than happy to provide knob screw samples for clients to evaluate and test. We believe that actual product experience can help clients better understand our quality and performance. Based...

We understand the importance of environmental protection for our clients and society. All UJEN's handle screw nuts strictly adhere to international environmental standards, such as RoHS and REACH. We are also...

We understand that market demands can change, so our production and logistics systems are designed with enough flexibility to accommodate changes in customer needs. If you need to adjust the order (such...

We have a dedicated R&D team responsible for the innovation and development of new knob screws. By continuously exploring the latest technological trends, combined with market feedback and customer needs,...

Partnering with UJEN means not only obtaining high-quality spring plungers and other hardware accessories but also represents a long-term partnership. We are committed to understanding and meeting the evolving...

All our handle screws and spring plungers are manufactured in Taiwan. UJEN is committed to local production, which not only supports Taiwan's economic development but also ensures product quality. We are professional...