E-Mail:sales@hongyeqp.com / info@hongyeqp.com / export@hongyeqp.com
About Us

About Us

Welcome to our factory, and establish the win-win cooperathion in the future!
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Shandong Hongye Auto Parts Co.,Ltd,established in October,1999,which is one famous factory which mainly produce car exhaust muffle and three-way catalytic converter.  Our company insist on the enterprise spirit that Co-innovation,progress together and enjoy the result together.At the same time ,we we insist on integrity,responsibility,creative,cooperation win-win and others operation principle.For about 20 years` development, our company have produced more than 2000 kinds of exhaust muffle and three-way catalytic converter being fit to low-end ,middle and high-end car from China and other country with the highest quality an reputation.

PROFESSIONAL KNOWLEDGE

PROFESSIONAL KNOWLEDGE

What is a catalytic converter and how does it work?

A catalytic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds.
The three harmful compounds are: Hydrocarbons (in the form of unburned gasoline) Carbon monoxide (formed by the combustion of gasoline)  Nitrogen oxides (created when the heat in the engine forces nitrogen in the air to combine with oxygen)

What is auto exhaust muffler and how does it work?

A muffler (silencer in many non-US English speaking countries) is a device for decreasing the amount of noise emitted by the exhaust of an internal combustion engine. 

Mufflers are installed within the exhaust system of most internal combustion engines, although the muffler is not designed to serve any primary exhaust function. The muffler is 

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