... Timing belt or Synchronous Belt For Industry(MXL,XXL,XL,L,H,XH,XXH,T2.5,T5, ... as low transmission efficiency and lubrication oil required under the status of high speed when suing the ... wearing resistance •Higher transmission efficiency can be guaranteed under the condittion of large change of peration speed and ... AT20205850 Timing belt or Synchronous Belt For Industry(MXL,XXL,XL,L,H,XH,XXH,T2.5,T5, ...