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about GRWA
about GRWA
about GRWA
Qingdao Greatwall Automotive Parts Co.Ltd
Our company specialized in produce, develop, sell the exhaust system, cooling system, body parts and so on, also do our best to combine various kinds of resources to supply our customers the best service.We have our own factories to develop different car accessories, our factories cover more than 1000 mu with more than 200 workers and dozens of R&D personnel, each year dozens of new products enter the market. Our Product Exhaust catback, exhaust headers, exhaust downpipes, exhaust mufflers, exhaust tip, radiator, intercooler...
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Mercedes-Benz
BMW
BMW
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Toyota
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AUDI
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Subaru
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21 2020-09
Development of exhaust system

Development of exhaust systemToday's automotive exhaust systems are developed to deliver minimum noise, emissions and maximum durability. In addition, they must also meet requirements including artistic appearance, user-friendly packaging, safety and health, flow rates, lower system restriction, hig

10 2020-09
How exhaust system works?

How exhaust system worksConcern about our automobiles' effect on the environment has already sparked a heated discussion throughout the society. In face of this, automotive manufacturers and parts suppliers have to keep pace with these changes, and in a similar fashion, a car's exhaust system has to

07 2020-09
Why is the intake valve larger than the exhaust valve?

Why is the intake valve larger than the exhaust valve? Engineers have special meaning in designing everything, and so are valves.

03 2020-09
Why does the exhaust exhaust muffler have abnormal noise?

Many people's cars have encountered this situation, either when there is a huge blasting sound when starting the car, or when the throttle is suddenly increased on the road. When it appeared, many car owners were worried, thinking that there was something wrong with their car. In fact, the reason for this situation is very simple, and it is not a big problem. Let's take a look at it together.

31 2020-08
Where should exhaust clamps be placed?

Unless you have to replace the entire exhaust system, only a few hand tools and standard parts are needed to complete the basic maintenance of the vehicle exhaust system. But what is the part that meets the standard? There are a variety of different components in the exhaust system. In most cases, large parts such as exhaust mufflers, exhaust pipes and catalytic converters need to be cut and welded, so you may not be able to solve them yourself. These main components are not part of the regular maintenance plan, which includes exhaust pads, exhaust clamos and exhaust racks.

27 2020-08
What is the use of a car with an exhaust tip?

What is the use of a car with an exhaust tip? Car exhaust tip, commonly known as exhaust pipe sleeve. It is a component installed at the end of the original exhaust. Although the exhaust pipe of a car is a small and unremarkable small part, its "face" also affects the face of the entire car. Imagine

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