... various kinds of automobile catalysts, catalytic converters and mufflers , which are suitable for cars in all types and can meet the ... standard Euro2,3,4, EPA and CARB.Our quality management system is ISO/TS16949. On the surface of the cordierite or ... less precious metals such as platinum, palladium and rhodium, which are used for purifying of unburned hydrocarbons (HC) , carbon monoxide (CO) , and ...