

WHO WE ARE?
A team for all your custom spring and fastener manufacturing application needs
We are a high-tech enterprise integrating R&D, production, sales and service. The company specialises in the manufacturing and global trade of high-end springs, industrial fasteners and precision mechanical parts, and is committed to providing high-performance, high-reliability products and customised solutions for customers around the world. Our advanced production technology, strict quality management system and perfect global supply chain layout ensure that our products are exported to over 60 countries and regions, including Europe, America, Southeast Asia, the Middle East and more. We are proud to be a long-term partner of many of the world’s top 500 companies.
Specialized spring and hardware design, prototyping and first article production
Quality assurance
Product quality is checked at all steps. Professional inspection to ensure that the quantity of the goods is sufficien
Customized processing
Product diversification and processing customization to meet customer's various needs
ABOUT PROMISE
Our professional sales team will provide steel services at the most reasonable price. We always believe that there is no best, only better, we have been providing satisfied services to our customers for decades.
We offer specialized services including proprietary design, prototyping and testing of first production samples. We are structured to provide both cost-effective, low-volume products and affordable, high-volume products
Quality, production lead times and customer service are key competencies of our ISO certified quality system. We earn the loyalty of our customers every day.
Unlike many of our competitors, jett does not sell products directly to the end consumer. We are a long-term partner to leading industrial machinery manufacturers, distributors and dealers in China.
We hope that our high-quality, low-priced products and efficient services can help you improve your competitiveness!

















