... Standard:ASTM B348 Technique:forging,rolled,CNC Machining titanium valve spring retainerPlace of Orign:Shandong,ChinaBrand name:Titanmaterial:Gr5,Ti-6AL4VStandard ... :ASTM B348Craft:special unique processing technologyApplication:bicycle,motorcycle,wheel,anchor,medical,bone,ball,marine,chemical,sports etcOur high- ... relationship with you in a near future. titanium valve spring retainer