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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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25 2020-09
Updated standard of exhaust system

Updated standard of exhaust system An aftermarket performance exhaust can free some of the power in your engine. These systems allow for a quicker, more efficient path for exhaust gases to escape. This means your engine "breathes" better, so spent fuel and air exit the combustion chambers faster wit

23 2020-09
History of exhaust system

History of exhaust system An automotive exhaust system consists of all of the pipes and other components that are designed to carry exhaust gasses away from the combustion chamber. The development of exhaust system experiences a long history, due to the enaction of some laws or the birth of some cut

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.

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