jiangxi WZM double-layer helical for series shaftsblocklock up
the force-lift spring is a global production of wave springs and spiralsblockone of the most professional companies in the circle, produced wzm double-layer helical for series shaftsblockthe circle is widely selected by the world's advanced manufacturing industry, with stable performance and reliable quality. spiralblockthe ring is made of flat wire,throughhotwherereasoning, surfacewhereit has good elasticity and toughness.