Filtration technology · R&D · production · sales
Specializing in the R&D, manufacture and sale of filtration products for gas, liquid and oil applications — delivering professional, reliable filtration solutions.
Sixteen years of experience in manufacturing natural gas cartridges. Every scale of filtration — from the finest nanometer-level coalescence to millimeter-stage protection — is where we extend our excellence.
We are a comprehensive enterprise that develops, manufactures and sells all kinds of filtration equipment and cartridges, with strong technical force, exquisite production technology, and complete processing and testing means.
Complete products and specifications provide customers with systematic filtration solutions.
Multi-domain product application solutions leverage exceptional performance and cutting-edge technology to offer efficient and reliable solutions across natural gas, electric power, industrial water treatment and petrochemical fields.
Xinxiang Da Yu Filtration Equipment Co., Ltd. is a specialized manufacturer of filtration solutions. The company develops, manufactures and sells filtration equipment and filter elements for water treatment, natural gas, electric power and petrochemical applications. Our engineering team also provides consultation and technical support throughout the project.
Our fully enclosed clean factory building, advanced production equipment and complete production processes — together with an innovative technical and R&D team — ensure the quality of every product that leaves our plant.
Certified ISO9000 for 9 consecutive years, High-tech Enterprise & IP management system certified.
Closed clean workshop, advanced equipment and a professional R&D team guarantee stable product quality.
Full series filter cartridges for water treatment, power plants, natural gas and sanitation vehicles.
22 patents for gas coalescence and cyclone filters; mature custom solutions trusted by customers worldwide.
We compete on product quality, fair pricing and dependable after-sales service — and we welcome customers to visit our factory or explore a partnership.
Sustained quality-management certification across a decade of manufacturing.
Certificate obtained in December 2020, protecting our proprietary manufacturing know-how.
Title obtained in 2021 in recognition of sustained R&D investment and innovation.
We take time to understand your specific requirements and build a solution around them.
In-depth communication to clarify your unique requirements, then tailored solutions — with free samples available for validation before you commit.
We reply to every inquiry within 24 business hours. Orders are confirmed within 1–2 working days and complete solutions or handling plans delivered within 3 working days.
Remote support via video calls, screen sharing and step-by-step guidance for installation, operation and troubleshooting — plus multilingual manuals and videos.
Your contact data, business records and order history are used only for order processing and communication — never shared with third parties for marketing.
Proactive notice of changes that may affect your order — raw material price fluctuations, port congestion, exchange rate swings and customs policy adjustments.
Products manufactured to national and international standards, with remote video inspection and third-party certification by SGS and ITS available.
Destination-country compliant packaging with moistureproof and shockproof protection, printed with multilingual warning labels.
Commercial invoice, packing list and certificate of origin, together with real photos of products and packages to simplify import.
ETA confirmed in advance, tracking number sent immediately after shipment, real-time updates and pre-arrival reminders.
Free samples are available for your validation — so you can confirm that product quality, performance and reliability fully meet your expectations before you commit.
Request free samplesWe help industries produce more efficiently and sustainably.
Company updates, application knowledge and industry outlook from the Dayu team.
Quick answers to common questions from customers around the world.
Tell us about your application — gas, liquid or oil — and our engineers will recommend the right media, size and configuration. We reply within 24 business hours.
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