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  • Although their primary function it’s like to expel exhaust, but actually have many other functions that are beneficial to your automobile. As you drive your car around, your engine–though working efficiently–produces a lot of pulsating noise. This is due to the exhaust valves opening up and releasing gas that’s extremely pressurized. These sounds travel to the exhaust pipe of your vehicle where the noise grows significantly louder. This is where the muffler working. The muffler was made to minimize any noises made by the high-pressure gas. However, this is not the only thing that mufflers do.
  • Recently, the school-enterprise cooperation joint advisory group visited the "G-ONE Automotive Laboratory" located in GRWA's first plant. This laboratory belongs to the first factory of GRWA Group. It was established in 2018. It is located in the product testing center of the first factory.
  • Many friends have such questions, will the failure of the catalytic converter affect the start of the car? The answer is no, and it is not caused by the use of diesel engines, but it will affect the annual review, fuel consumption, power, and exhaust of the car, because it is the first part of the e
  • Car–fancier know that the three-way catalytic converter usually starts from the breakdown of the vehicle. It's not cheap to change to a new one, ranging from a few hundred to as many as tens of thousands.What is the use of three-way catalytic converters for everyone today? Why is it expensive? How t
  • As the global control system for automobile emission pollution becomes more and more stringent, the three-way catalytic converter is the most important device for treating exhaust gas and reducing pollution in automobiles. Therefore, many inferior products have appeared in the three-way catalytic co
  • In the daily use of the car or the modification procedure, it is very necessary to understand some relevant knowledge. Let’s take a look at the difference between 200, 300 and 400 CPSI of catalytic converters today.The biggest difference between them lies in their different densities. In the same un
  • GRWA focuses on independent technology research and development in three-way catalytic converters, and has successfully reached international standards.
  • There are four holding and wholly-owned factories under the GRWA Group, of which the "second factory" is particularly special. Different from the high output of the first factory and the high intelligence of the fourth factory, the second factory gives people a " high-tech" feeling. The second factory focuses on the design, development, and manufacturing of automotive three-way catalytic converters, catalysts, and exhaust manifolds.
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