Best & Reliable
Product Increases Productivity

All Kind of Filtration Solutions For Your Needs

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 healthcare.

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.

DeMalong video
Your Premier Filtration Solution Provider Original quality, OEM manufacturing.
Professional Drawing Design Ability
Our highly trained and experienced engineers will work with you to ensure your filter is designed with manufacturing and using in mind. They master 3D(Solidworks), 2D(CAD/CAXA) software, so that you can avoid expensive maintenance cost or frequently replacing request.
Dust Free Assemble Room
No matter for manufacturing or installation, DeMalong strictly perform dust-free production and quality control system, especially for food grade and water application.
On-time Delivery, Every Time
We know unreliable delivery may result potential loss of your customers, therefore DeMalong stick to higher productivity and faster response time. Our workers continuously optimize production process and provide lead time based on knowledge rather than estimate
Complete Filter Dimension Database
Through 18 years gather experience, We have the most extensive database with more than 600 000 filters and all types of spare parts.

Our Story

Innovation, development, and continuing growth since 2001 …
and we’re just getting started.

Est. 2010

2001
DeMalong Filter Found in Xinxiang
DeMalong Filter was established in Xinxiang China initially as a hydraulic filter manufacturer.
2003
Replacement Filter Elements Workshop
DeMalong invested $1 million to set up dust-free replacement filter elements workshop
2005
Testing Lab Created
DeMalong set up testing lab to ensure our filter elements get through strict quality control based on ISO test standards.
2006
Extended Business With Chinese Government
DeMalong became the main supplier of Chinese government ship hydraulic lifting system.
Today

To be the best Filter Manufacturer in China

  • Honor
  • Team style
  • Partner

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%.
DeMalong ceo
CEO Messgae
DeMalong Filter is committed to delivery world-class quality filters with consistent performance at a competitive price.
Send Your Inquiry

Contact DeMalong For Your Next Order

Talk to our engineers about your next project. We will help you design a filter element that not only matches your application needs but can be manufactured more easily and more reliably than ever.
Send Your Requirement
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