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Company Profile

Yangzhou Sunzo Spring Ind. Co., Ltd was located in Yangzhou which is the base for manufacturing and researching springs. As a professional manufacturer and exporter in springs, Sunzo spring focus on researching and developing in  springs since the company was established in 1998. The company has one springs actory, one forging products factory, and an other trade company. Our products

includes Belleville spring, disc spring DIN 2093, spring washer DIN 6796, valve disc spring, heat resistant disc spring, slotted bearing disc spring, plain bearing disc spring, non-magnetic disc spring, serrated safety washer, spherical surface safety washer, double slotted disc spring, z type disc spring, c type spring, ring spring, coil spring, gas spring, die spring, spiral spring,Auto forging parts, Valve forging parts, Electric power forging parts, Other forging parts and etc. 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 We can customize disc spring as per customer′s requirements,&nbsp; 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.<br />
Handbook for disc springs provides comprehensive information on design and manufacture of disc springs. Please contact us for custom design and engineering assistance.

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Business Segment

Establishment Date/Number of Staff

1998 / 26-50

Related Companies/Brands

Suqian Sunzo Machine Industry Co., Ltd

Tax Administration/Tax Number

- / -

Banks Worked with




Countries Exported To

Australia, England, Taiwan, Japan, China, Iran.

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