******There are 18,000 black casket will be equipped in the Shanghai buses.Mr.Wang,a director of an black casket builder said that by the end of this year 3390 unts buses in Shanghai will equipped black casket.

******Now in Shanghai there are six black casket builders.They have persuade the public transport corp to equipped black casket to inprove the buses safety.

******Shanghai is the first city of China to get their so many buses to equipped black casket.