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Filter System

Automatic Screen & Disc Filters
Engineered for Excellence

Premium filtration solutions from Dawning Filtration System — trusted by industries and farms worldwide. Over 22 years of innovation, 500,000+ units produced annually, exported to 60+ countries.

Welcome To Learn About Our Enterprise

Since its establishment in 2002, Changsha Dawning Environmental Protection Technology Co., Ltd. has been deeply involved in the field of water filtration for over 22 years and is a leading filtration equipment manufacturer in China.

The company is located in Changsha, Hunan, with two automated production bases in Pingjiang and Miluo, covering an area of 50 acres. Equipped with more than 50 intelligent devices and 2 fully automatic production lines, we have an annual production capacity of 500,000 units.

We offer both standardized mass production and flexible customization (OEM) capabilities to meet diverse global demands.

60+
Exported To Countries
500,000
Annual Units Capacity
22+
Years of Experience
2
Automated Production Bases

Our Product Categories

Discover our full range of automatic self-cleaning water filters designed for industrial, agricultural, and municipal applications.

Automatic Screen Filter

High-efficiency filtration with automatic cleaning mechanism.

Automatic Disc Filter

Compact design with layered disc stacks for fine filtration.

Media Filter

Sand-based 3D filtration for turbid water treatment.

Irrigation Filter

Reliable protection for drip and sprinkler systems.

Featured Products

FW Series Electric Brush Filter

FW Series Electric Brush Self-Cleaning Filter

Automatic self-cleaning water filters: Single unit flow 19–2,000 m³/h. Ideal for industrial cooling systems.

Flow: 19–2,000 m³/h
FZ Series Filter

FZ Series Electric Brush Self-Cleaning Filter

Robust design with high-pressure cleaning brushes. Suitable for harsh environments.

Flow: 19–2,000 m³/h
FY Series Filter

FY Series Electric Brush Self-Cleaning Filter

Compact and efficient for space-limited installations. Fully automatic operation.

Flow: 19–2,000 m³/h
DLHF300 Hydraulic Filter

DLHF300 Hydraulic Suction Self-Cleaning Filter

Hydraulic actuated system with no external power required. Energy efficient.

Flow: 19–2,000 m³/h
4 Inch Disc Filter

4 Inch Disc Filter

High dirt-holding capacity with layered disc technology. Easy maintenance.

Size: 4 inch | Flow: 19–2,000 m³/h
Self-Cleaning Disc Filter

Self-Cleaning Disc Filter

Automatic backwashing function. Ideal for continuous operation systems.

Flow: 19–2,000 m³/h
Irrigation Disc Filter System

Irrigation Disc Filter System

Protects drip emitters and sprinklers from clogging. Agricultural grade.

Flow: 19–2,000 m³/h
Sand Filter for Agriculture

Sand Filter for Agriculture

Using three-dimensional filtration of sand, as primary filtration for irrigation.

Application: Agriculture

Applications

The hydraulic actuated self-cleaning filter can effectively remove sediment, impurities, and suspended matter from the water to ensure the smooth operation of various systems.

Irrigation

Protect drip and sprinkler systems from clogging. Ensure consistent water flow in agricultural, greenhouse, and landscaping applications.

Industrial

Used in cooling towers, process water, boiler feed, and wastewater treatment. Maintain system efficiency and reduce downtime.

Why Choose CDFS Filters?

Reliable Performance

Engineered for durability and continuous operation in demanding environments.

Energy Efficient

Hydraulic and low-power electric models reduce operational costs.

Customization Available

OEM/ODM services tailored to your specifications and branding needs.

Resources

Access product documentation, videos, and technical support.

News and Events

Stay updated with the latest industry news and company events.

Download Center

Product catalogs, manuals, and technical drawings available for download.

Working Videos

Watch how our filters operate in real-world applications.

Get In Touch

For inquiries, quotes, or technical support, visit our official website to contact the team directly.

Visit Official Website to Contact

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