Product classification: memory titanium nickel alloy, super elastic titanium nickel alloy, low temperature super elastic titanium nickel alloy, medical titanium nickel alloy. Specification: Diameter: 0.1-40mm, which can be customized according to customer requirements. Main uses: ultra elastic glasses frame, mobile phone antenna, women's bra bracket, high bullet and high toughness fishing wire wire, earphone headset, etc.