Fmsi4702 Drum381 Arc length177.1/171.2 Width101.6 Thickness17.8/11.0-18.7/15.5 Toughpro is a professional brake lining manufacturer for drum brake of heavy duty truck. We have passed iso/ts 16949:2009 & greening test, and we are the first drafter of the friction material industry standards of china, and also the top ten brand in china. More than 500 employees work for toughpro which include 36 millions pcs production capacity per year.
