Sunzo Group is the leading designer and manufacturer of wide range of springs and industrial forging pieces. Our spring include 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 materials includes 50Cr4, SUS301, SUS304, SUS316, 17-7pH, pH15-7Mo, 20813, INCONELX-750, INCONELX-718 and etc. Surface treatment: Oxidize bluing, electrophoresis, phosphating etc. We had approved the ISO9001: 2000 quality management system to guarantee the every processes of the study, production and sale of the disc spring and forging parts. Pls contact email: Susie at sunzogroup dot com We are regularly Selling: spring, disc spring, belleville spring, flange, spring washer, stamping parts. |
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