SUNZO has it’s own researching and development team and test center, has participate in rule-making of the latest national industry standards and the international ISO standards for disc springs.
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DIN2093 Disc Spring DIN6796 Disc Washer Valve Disc Spring Double Slotted Disc Spring Ultra-High Torque Disc Spring High Torque Disc Spring Preload Bearing Disc Spring DIN9250 Serrated Safety Washer
Single Turn Wave Spring Multiple Wave Spring Crest to Crest Wave Spring Crest to Crest Wave Spring with Shims Ring Sprig Mould Spring Compression Spring Clutch Spring