xuzhou WKM double-layer spiral retaining ring for series holes
the strength spring is one of the most professional companies in the world to produce wave springs and spiral retaining rings. WKM the double-layer spiral retaining ring for series holes is widely selected by the world's advanced manufacturing industry, with stable performance and reliable quality. the spiral retaining ring is made of flat metal wire, and has good elasticity and toughness after being heat treated and surface treated.