... Wholesale extension titanium spring Can be designed less coils,smaller volume, Lower weight than steel springs. MOQ:100pcs Description of titanium springs1) Material ... ) Types of titanium springsTrain springs, The high voltage switch spring, Elevator spring, Automotive suspension spring, tension spring,Compression spring,Torsion spring, Disc Spring, Vortex coil spring, Wave spring,Plate spring,etc. 7 ...