Duen Yih Metal Industry is a leading brand in the door lock industry, offering a wide range of high-quality products and services. Founded in Taiwan in 1973 by Chairman Mr. Shih, the company started small, but quickly expanded to become a professional and multi-functional door lock sets manufacturer.

With over 40 years of experience, Duen Yih has designed and distributed more than 1000 different products, earning recognition in over 30 countries worldwide. The company has become an international leader in both OEM and ODM manufacturing, focusing on product quality and customer service.

Duen Yih is committed to continuously improving its manufacturing capabilities, with a focus on international standards, computerization, and automation. The company implements rigorous quality control systems and automatic production lines to ensure the best products and service for its customers.

In addition to its extensive product lines in heavy-duty American mortise locks, Duen Yih has also developed RFID electronic lock sets, combining innovative technology with traditional door lock mechanisms. The DANDY brand, representing reliability, accuracy, innovation, progress, and stability, holds a strong commitment to providing the best products and services to its customers.

As Duen Yih continues to expand its global presence, its goal is to become the world standard and a significant corporate brand in the field. With a focus on quality and innovation, Duen Yih is dedicated to meeting and exceeding customer expectations.

For more information, visit Duen Yih's website or contact them at their headquarters in Taiwan.