The three-way catalytic converter is a metal device installed in the exhaust system of a vehicle. Its purpose is to reduce the pollutants released into the atmosphere when the internal combustion engine is running. They are made of precious metals, including platinum, palladium and rhodium.Although it was first introduced to the U.S. market in the 1970s due to EPA requirements. However, other countries began to pass laws mandating installation. That's because three-way catalytic converters have done an excellent job of reducing pollution in cities like Los Angeles, which have a serious "smog" problem.

Today, as usual, GRWA customer consultant Linda came to the company early in the morning to turn on the computer, made a cup of tea, and opened the mailbox casually, and then received more than 40 unread emails that disturbed her thoughts in just one night. This situation has been going on for a long time. Linda took a sip of tea and started to deal with work enthusiastically.

At this stage, various countries have stricter and more stringent standards for vehicle exhaust, requiring lower emissions of nitrogen oxides and particulate matter, and adding new restrictions on the number of particles. In order to meet the national VI (Euro VI) emission standards, domestic Major main engine manufacturers have shown their talents one after another, either reducing engine power or upgrading exhaust gas treatment.

GRWA focuses on independent technology research and development in three-way catalytic converters, and has successfully reached international standards.

The previous article mentioned a topic: What are the inconspicuous but high-tech parts in the car? Many people choose three-way catalytic converters.。