The pottery and porcelain that development of American Ke Ning company went a kind to be used at catalytic converter base piece, this is the component of a kind of gasoline that leads working status with Yu Xiaogong or derv engine. Through bring down tail gas inspiratory pressure achieves the goal that reduces oily bad news and promotion engine power.

Design of data of this kind of Celcor 600/2 contains every square inch 600 unit, the wall is large it is 0.002 inches only.