The 35n12 series products ( commonly called as widenning 153 ) are the alloy gray casting iron brake drum that our company and bridge limited company of the east windmill jointly developed , it has such a series of superior performance as wear - resisting decreasing , heat resistant splitting , high strength , balances well , dispels the heat fast , longe - livedding , etc . , formed a complete set extensivly and original packaging on a lot of domestic famous luxurious motor buses ( the occupation rate of market above 70 % ) , for example it is gold for dragon , the coherent in space , ann triumphant , fei shen , daewoo , the capital , tai hu , it is the wild for japan , in majestic , the changjiang river , explaining fertile 35n12系列产品（俗称加宽153 ）是我公司与东风车桥有限公司联合研制开发的合金灰铸铁制动鼓，它具有耐磨损、抗热裂、高强度、平衡好、散热快、寿命长等一系列优越性能，被广泛原装配套于国内许多著名豪华大客车上（市场占有率在70 %以上） ，比如金龙、宇通、安凯、沈飞、大宇、京华、太湖、日野、中威、长江、申沃等。
