Sunzo is one of the biggest disc springs manufacturer located in China, covering an area for more than 40000 squre meters.
Sunzo spring is specialized in the R&D, production and sales of Belleville washers, disc springs, shims, wave springs and etc..
Our products can meet CPK>1.33. We export our products to more than 20 countries, and now provide ODM service to the large spring supplier in America, Europe, Japan, become the best partner of many large European and American enterprises.
We have our own technology researching center, testing center and moulding center.
Sunzo has passed various certificates including: ISO 9001, IATF 16949, ISO 14001 and OHSAS 18001.
Our core competence are disc springs/Belleville washers in accordance with DIN2093/DIN6796.
With more than 15 years experiences in this field, we supply both Metric and Inch sizes to USA, Germany, UK, Australia, Sweden, Singapore, France, Spain etc.
Our parts have good and stable application in Brakes, safety gears, Hydraulic pumps, valves & wind power etc.
Welcome visit our facebook public homepage or website www.sunzosprings.com for more information.