Beijing, lanzhou in August 17 (reporter Zhi-jun feng) the reporter learns 17 from gansu entry-exit inspection and quarantine bureau, the bureau in 2016 to import brake linings for car use (i.e., commonly known as the "brake") to carry on the supervision and spot checks, results show that the fraction defective is as high as 80%. The spot check of brands including Benz, BMW, hyundai, Toyota, Volkswagen, land rover, the main contents of unqualified for the coefficient of friction, specify the friction coefficient of deviation, logo, etc. ...