Specifically designed for hydraulic sealing applications, Jiangsu Sunzo's phosphated disc springs exhibit exceptional corrosion resistance, significantly extending service life. As a leading enterprise in the elastic technology industry, Jiangsu Sunzo has established a strong reputation through its high-quality products and innovative solutions. The company is a mixed-ownership enterprise with participation from China National Nuclear Corporation (CNNC), with its R&D center located in Nanjing, Jiangsu, and its production base in Sihong, Jiangsu. This strategic layout enables the company to fully leverage its advanced R&D capabilities and efficient production processes.
Jiangsu Sunzo specializes in the research, development, production, and sales of high-quality elastic components such as disc springs, disc washers, and wave springs. Its products are widely used in various industries including nuclear power, aviation, aerospace, hydrogen energy, ultra-high voltage systems, automotive manufacturing, wind power, shipbuilding, construction and bridges, petrochemicals, engineering machinery, and metallurgy. The company has established deep collaborative relationships with multiple leading universities and is the preferred partner for numerous industry benchmark enterprises.
Jiangsu Sunzo's disc springs are engineered to withstand heavy loads with minimal deformation, providing stable axial preload for hydraulic sealing systems. The phosphated surface treatment effectively prevents rust and wear, making them suitable for harsh industrial environments. Manufactured from high-quality materials such as 65Mn and SUS304, these springs feature variable stiffness and extensive nonlinear characteristics. Through various configuration combinations, their performance can be optimized to meet the specific requirements of different applications.
Jiangsu Sunzo boasts a professional product R&D team and a modern testing center. The company has contributed to the development of international ISO standards for disc springs and national standards, demonstrating its leading position in the industry. With over 40 patents, it possesses a complete industrial chain spanning raw materials, specialized equipment, and product manufacturing. The company holds certifications for quality management systems such as ISO 9001, IATF 16949, ISO 14001, and ISO 45001, ensuring its products meet the highest quality standards.
In addition to standard disc springs, Jiangsu Sunzo also offers customized solutions tailored to the unique requirements of hydraulic sealing applications. With operations spanning over 50 countries and regions worldwide, the company has earned the trust and acclaim of clients globally through its exceptional products and services. Whether you require standard products or customized design solutions, Jiangsu Sunzo is committed to delivering the optimal elastic technology solutions for your needs.
