广by the wave springs and spiral retaining rings we develop and produce are widely used in heavy machinery, construction equipment and agricultural vehicles. in the off-highway industry, we can provide professional engineering and technical support, whether it is electric engines or internal combustion engines. ... 1 zhejiang lisheng spring co., ltd. has been focusing on the research and development and production of wave springs, spiral retaining rings and sealing rings for ten years, and has won 8,000 globally with a complete quality system and reliable product quality. 30 closure
