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Manufacture of
Filter Elements and Filter Housings for OEMs
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Manufacture of
Filter Elements and Filter Housings for OEMs
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Your Industry Filter Manufacturer (OEM/ODM)

As a professional industry filter manufacturer in China, DeMalong has rich experience in the design, manufacture and supply of high-quality filter housings and filter elements. You can get one stop solution by our world-class design criteria and quality control system on filtration performance. We have a professional and efficient technical support team that will solve all your filtration problems.

Just ask for a quick quote, even for 1 unit, we promise available online 24/7 to support your business.

Why DeMalong Are Trusted By 1000+ Clients

15 Years OEM Filters Manufacturing Experience
Take Care Every Details of The Manufacturing Process
No.1 Reliable Manufacturer in China

Welcome To Visit DeMalong Factory

DeMalong FILTER

Professional manufacturer of industrial filter elements, mechanical filter elements and special-shaped filter elements


DeMalong , a Filtration Technologies Company, is a professional manufacturer of stainless steel, wedge wire, sintered metal and replacement filter elements. Utilizing proprietary filter material technologies, we offer reliable filtration solutions to many industries including marine, automotive, hydraulic system, chemical, oil&gas, construction machinery and healthcar.      Founded in 2001. We have more than 18 years experience on filter elements design and production. Aiming to be your best filtration partner in China, we have a strict standards of cost-control and quality-control.      DeMalong has grown reputably both locally and overseas. We consistently deliver high-quality filter elements and form the win-win strategic with every client through engineering expertise, efficient operations, and 24/7 service.

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OUR ADVANTAGE

DeMalong advantage • Why choose us

With two decades fabrication experience, DeMalong has powerful capacity on all kinds of filter design, research and testing. We have complete filter vessel and cartridges production line, and we can offer one-stop filtration solution serving for your commercial application.

DeMalong has the ability to manufacture a wide range of filtration equipment and elements. Main products are including industrial filtration system, simplex & duplex basket strainer, automatic filters and filter elements in both metal and plastic series.

We have a professional R&D team for research, development, design, production and testing of different filtration products. We also specialize in small-batch orders, large-volume production and custom filtration solutions.

DeMalong

Strong production strength

DeMalong Filter is committed to delivery world-class quality filters with consistent performance at a competitive price.

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DeMalong

Professional detection technology

The company has strong strength, has forging, machining, and professional physical and chemical testing instruments, complete testing methods, and produces product accessories that meet international standards, which are well received and trusted by customers at home and abroad.

DeMalong

Comprehensive marketing network

The products sell well in major engine manufacturers and auto parts markets across the country, and have established long-term and stable cooperative relations with many foreign customers. The products are exported to North America, South America, Middle East, Eastern Europe, Southeast Asia and other international markets. The company has direct import and export rights.



Users' reputation and trust are not only support and recognition of DeMalong, but also an invisible spur!

The technical director of a company said: "DeMalong's efficient and meticulous services have solved many of our professional and customized filtration needs. For us, it is not only a partner, but also a long-term friend!"
Although we have been working together for more than a year, this is his first time to conduct an on-site inspection at DeMalong factory, just because he happened to be traveling in China. Maybe this is trust.
DeMalong filter signed a strategic cooperation agreement with the Asian Governor of Kashkadari, Uzbekistan
After many days of on-site inspection, they were very satisfied with our strength and finally chose DeMalong as the only partner in China.

One Stop Filtration Solution For Your Need

We have flexible production capacity and expert technical team to offer filters with specific filter material, shapes, and pore size for your unique applications. Even in small quantity, we assign our skilled engineers to solve technical problems for you at 24/7.
Our replacement filter elements are functionally and dimensionally interchangeable to domestic and foreign filter manufacturers with competitive price. We have a wide range of replacement filter elements in stock, including Pall, Boll, Hydac…Send us the part number now, we will arrange fast delivery within 5 days.

How WeControl Filter Element Quality in Manufacturing

Worldclass testing equipments
We do strict inspections to ensure all filter elements are up to the standard requirement before delivery. Tested by our advanced test equipment, we are able to show you, like coalescing elements can efficiently reach to at least 50ppm by cycling filtration
Dust free assemble room
To help you achieve desired ISO cleanliness level and oil NAS7 grade, all our filters elements are assembled in dust-free room to avoid bring in new contaminants enter into your system, especially for food-grade application.
Strict Filter Material Procurement
Whether material in stainless steel, micro fiberglass, metal felts or disposable cellulose, DeMalong purchase from certificated material suppliers and develop long-term cooperation with them, we could offer material certification in European, Japanese, American standards.
Skilled Production Team
Most of DeMalong workers have more than 5 years filter elements manufacturing experience, they know the whole production flow very well and keep eyes for every small detail. They are good at handle demanding delivery with flexible filter elements design.
Advanced Processing Technology
With a military background and long history, we have advanced sintering, glue bonding and welding technologies. Some common problems: damaged filter material, lacking filtration area, deformed filter structure is not allowed to appear in our filter elements.
Accurate Dimension Tolerance
Tolerance of DeMalong Filter elements are strictly controlled to keep totally same with our design drawing, inspectors are arranged to measure every installation dimension, so that it fits well in your filtration system

Feedback From Clients

Discover the story behind the people that are making the DeMalong filter trust on the next level great, How and why they do what they do.
DeMalong  feedback
High Viscosity Filter Cart
Denmark Customer
Have the opportunity to work with DeMalong Filter. The engineers answered all my technical questions with great perservance. They worked tirelessly with implementation of our north power station project here in Denmark and providing quick lead time when we need spare parts on site as soon as possible.
5 stars from 210 reviews
DeMalong  feedback
LPG Filter
American Customer
DeMalong Filter is a nice, trusted & responsible filtration business partner. He deals with filter vessel and element for water, oil and gas applications, specially to dewater and particles from oil, remove oil&water from natural gas. DeMalong has good reputation in big companies in different countries for the quality of he supplied filters. I wish him every success.
5 stars from 210 reviews
DeMalong  feedback
Replacement Filter
Germany Customer
We do regular business with DeMalong Filters. Before we have approx..5-6 suppliers in China and now we merge it all together and swap production to DeMalong . Compare to other China suppliers, we are convinced with DeMalong quality and service. They have strict quality control so our customers have less claims.
5 stars from 210 reviews

Why Choice DML As Your Filter Element Provider

  • Excellent Efficiency. Guarantee Repair

  • Compliance with ISO Standards

  • Replacement Costs Saved over 30%

  • Replacement Compatibility 100%
  • Private Label ODM Custom Service

  • Brands Margin Increased over 50%

Supplier of the Most Talked-About Industrial Filter Element Products

Starting your own private label takes a lot of time and dedication – and you can’t go it alone!

You need a supplier you can count on to deliver top-quality replacement filter elements so that you can focus on building your brand. We’re your go-to industrial filter element manufacturer!

Provides Your Part Number of Filter Element Now!

Try to get a discount from the first time you enquiry about the replacement filter

Recent Case Study

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Contact DeMalong For Your Next Order

As a trusted partner, DMl provides the interchange filter that same quality as the original brand filter element, and helps you saved replacement cost over 50%, or increase your profits by more than 30%.
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