From 2009,to meet the emission control requirements of automobiles, ZHEJIANG RICH LEO ENVIRONMENTAL TECHNOLOGY CO.,LTD has been engaged in R& D, manufacturing the metallic substrate(carriers or supports) for metal catalytic converter of diesel and gasoline driven engines, equipment and vehicles, such as automobiles, motocycles and trucks, with its many years speciallized experiences in metallic honeycomb structures and high temperature vaccum brazing technologies.

Our metallic substrates are specifically designed and manufactured to deliver optimum performance for each application with minimal reduction of horsepower. Advanced methods in honeycomb coupled with our vaccum brazing technology enable us to exceed the requirements of the most demanding applications.