Yangzhou Sunzo Spring Ind. Co., Ltd was located in Yangzhou which is the base for manufacturing and researching disc spring. As a professional manufacturer and exporter in disc spring, Sunzo spring focus on researching and developing in disc spring since the company was established in 1998. The company has one disc spring factory, one forging products factory, and an other trade company. Our well known products includes Belleville spring, spring washers, safety washer, load washer and so on. The standard product range conforms to DIN 2093 and DIN 6796. The materials includes 50Cr4, SUS301, SUS304, SUS316, 17-7pH, pH15-7Mo, 20813, INCONELX-750, INCONELX-718 and etc. The surface treatments include phosphorus and copper, PU bronze and so on. We effectively combined products manufacturing with customers' requests, and quality controlling with credit figuring. We will do our best to make the Sunzo spring to become the most competitive and most influencing base for manufacturing and researching of disc spring, for that, we had approved the ISO9001: 2000 quality management system to guarantee the every processes of the study, production and sale. A large inventory of standard sizes is available for same day shipment from our company.

Handbook for disc springs provides comprehensive information on design and manufacture of disc springs. Please contact us for custom design and engineering assistance.