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Belleville Disc Springs are found in many construction projects, play a role in Preload structure, Spaceframe,  Watergate of Dam, Bridge Shock absorption, Shockproof, etc.

HEGONG® Belleville Disc Springs had successfully applied in some important projects, such as Chinese Three Gorges hydropower projects, Shanghai Oriental Art Center, Shanghai South Railway Station, Shanghai Yangtze River Tunnel and Bridge, etc.