Type:Forged      Trademarks:TC1--TC4/TA0,TA1--TA4,TA9,TA10

 external diameter: 200~400,400~700,700~900,900~1300

inner  diameter:100~300,150~30,300~700,400~900

depth of  section:35~120,40~160,50~180,70~250

wall thickness of ring material:40~150,40~250,40~300,40~400

Application:Medical,Industry,Sports etc.