... FAIL,THE LIE HAVE PENETRATED.SINCE 1985,THE FIRST TYRE WARMER IS INVENTED IN JAPAN,PATENT NO:JP 58-212041 ... .ANYONE SAID HE INVENTED TYRE WARMER IN CHINA IS A LIE.PRO-TECH are ... only absorbed in tyre warmer performance and quality,honest we are not the ... years,now is finished,anyone can produce and sale tyre warmer in China if the quality is good enough. ...