Many original passenger car bumpers have common problems of soft material and i...

很多乘用车原厂缓冲块普遍存在材质偏软、支撑力不足的通病，日常行驶遇到减速带、坑洼路面、高速颠簸时，极易出现缓冲块受压塌陷、回弹乏力的问题，不仅会造成底盘异响、...