Yangzhou Hengli Disc Spring Manufacturing Co.,Ltd. which began as Yangzhou Hengli Disc Spring Factory in the early 1990s, is now a leading professional spring manufacturer in China, After more than 20 years of independent innovation, Yangzhou Hengli has achieved a complete product system. Its main products include: disc springs, special-shaped springs, slotted disc springs, diaphragm springs, cylindrical coil springs, serpentine springs, truncated cone scroll springs, ring springs and other special-shaped springs. Products are widely used in machinery, metallurgy, power, petrochemical industry, mining and other fields. Some products are sold in Southeast Asia and other regions with nuclear power units. Meanwhile,Yangzhou Hengli provides export processing services for reducer, transformer, power valve, steel and others.Adhering to the principle of quality first, Yangzhou Hengli has continuously been improving production technology and investing in technology research and development. It has passed the GB/T19001-2016/ISO 9001:2015 quality system certification. In recent years, advanced technology of spring manufacturing has been introduced from Germany to assist with isothermal bainite heat treatment in protective atmosphere. In spring surface treatment, in addition to conventional oxidation bluing, electrophoresis, phosphating and other surface treatment methods, the Japanese Dacaromet surface treatment technology has also been introduced.Yangzhou Hengli has been equipped with complete capabilities in non-standard product design and manufacturing and has mature development technology with full set of CAD software to meet the personalized needs of customers. While pursuing advanced production technology, Yangzhou Hengli has maintained good cooperative relations with key domestic universities and research institutes, and established an open and efficient technical cooperation and innovation system.In the future, Yangzhou Hengli will further increase the input in manufacturing and testing equipment, and improve its management system, so as to guarantee the product performance and quality, and stay ahead incustomer satisfaction and market share in the industry.