... , CX, DXType: 9.5X, AX, BX, CX, DX, AV12,AV12.5,R(MR), Y(MY), ZBS, YU, RU, ZA, FS, ZD, ZR ... one movement will cause transmission of teeth, chain, and belt.4) High quality and long life.Our products are awarded the ... certification of ISO9001:2000,ISO9002,GB/T,etc.Type: R(MR), Y(MY), ZBS, YU, RU, ZA, FS, ZD, ZR ...