Established in 2008, Ningbo Yishan Hardware Co., LTD, operating as DURATUFF Tools, LLC, has grown into a professional manufacturer dedicated to the global automotive fastener industry. With a 31,500 sq ft modern facility and a team of 65 skilled professionals, we specialize in producing premium thread rolling dies that deliver exceptional durability and consistency.
Our commitment to quality is proven by ISO 9001 certification since 2010 and official licensing for both MAThread and Taptite technologies. These credentials ensure that every die we produce meets the highest international standards for precision and performance.
At DURATUFF, we understand the challenges screw manufacturers face: tight production schedules, rising material costs, and the constant need for reliable thread quality. That’s why our mission is clear — to deliver on-time, long-lasting thread rolling dies that extend die service life, reduce cost per part, and ensure stable thread forming across every batch.
With 18 years of hands-on market experience, we combine precise engineering, rigorous quality control from raw material to final inspection, and responsive customer service. Our dies are designed to produce consistent thread forms, making machine setup easier and production more dependable.
Choosing DURATUFF means partnering with a manufacturer that values safety, integrity, and cleanliness in every step of production. We provide transparent communication, dependable lead times, and proactive after-sales support to help our global clients succeed in the competitive fastener market.
Whether you need standard or specialized thread rolling dies, DURATUFF Tools is ready to support your success with superior quality and professional service.