Customized Service

In addition to standard filters, we also accept customized filter elements.

Customer care

You can get timely answers about actual demand, production problems and any other questions about filters, and our professional sales consultants will provide you with the best service.

End-to-end Services

Create purchase records and establish long-term partners.

Quality Control Teams

More than 50 professional employees, including technical and quality control teams, advanced manufacturing equipment and professional technical teams.

Product Center

We provide 8x6-hour after-sales support, service policy consultation, complaints, suggestions and other requests.
Weichai Engine Filter

This product is a high-performance air filter specially designed for Weichai WP4.1 engines. Nanofibers folded filter...

Volvo Marine Generator Set Air Filter

This product is a high-performance air filter specially designed for Volvo Marine generator sets D13B-GMP and yacht...

Engine Air Filter Of Volvo FM420

This product is a high-performance air filter designed for Volvo FM4 trucks and their supporting industrial...

Engine Air Filter Of Linde Forklift H50

This product is a high-precision return oil filter element specially designed for the hydraulic system of Linde...

Shantui 220 Bulldozer Filter

This product is a high-performance air filter specially designed for Komatsu heavy construction machinery. It adopts...

Engine Air Filter Of Duff Engineering

This product is a high-performance air filter specially designed for Volvo heavy-duty trucks and construction...

Caterpillar C32 Air Filter

This product is a high-performance air filter kit specially designed for Caterpillar C32 Marine diesel engines and...

Mann Brand Air Filter

This product is a high-performance air filter specially designed for construction machinery under the MANN brand....

Product Application

The specific types are selected according to the requirements of filter media and equipment.
Automobiles
Coal Fire Power Plant
Industrial Equipment
Hydro Power Plant
Agriculture
Wind Power Plant
Ships
Solar Power Plant

About Us

Leading industrial solutionprovider since 2000
Qinghe Zhengji Auto Parts Co., Ltd. was established in 2000 and has been engaged in the filter industry for more than 20 years.
Qinghe Zhengji Auto Parts Co., Ltd. covers an area of 4000 m, with more than 50 professional employees, including technical and quality control teams, advanced manufacturing equipment and professional technical teams, which can provide you with the best solutions to various filter problems.
Qinghe Zhengji Auto Parts Co., Ltd. specializes in producing filters, including filter elements of world-famous brands, air conditioning filter series, engine oil and diesel oil filter series, air filter series, generator set, air compressor series, etc. The product structure is tubular, plate and honeycomb.
About Us
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    Covers An Area

    Factory land occupation
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    Professional Employees

    Senior technical engineer
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    Production Experience

    Utility model patent
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    Production Market

    Global customers

Video Center

Warmly welcome friends from all walks of life to visit, investigate and negotiate business!

News Center

Official certification, professional after sales service.
Cabin Filter: A Key Component For Ensuring In-vehicle Air Quality
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In modern cars, the cabin air filter, while seemingly insignificant, plays a vital role in maintaining a healthy and ...
Agricultural Machinery Filter Installation Standards
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Agricultural machinery filters are critical components for the proper operation of machinery. Their construction qual...
Agricultural Machinery Filters: Key Components For Ensuring Efficient Operation
Aug 28, 2025
Agricultural machinery filters are an indispensable component of modern agricultural equipment. Their primary functio...
Construction Machinery Filter Solutions: Key To Ensuring Efficient Equipment ...
Aug 27, 2025
Construction machinery operates under harsh conditions for extended periods. Filters, as core protective components, ...