Premium Water Filtration Solutions

China's trusted manufacturer of high-performance water filter cartridges and automatic control valves. Engineered for industrial, residential, and commercial applications with unmatched durability and efficiency.

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96+ Water Filter Cartridges

From PP melt-blown to titanium SS, meet every prefiltration need.

40+ Automatic Valves

Runxin-branded control valves for softeners and filters with precision flow.

Global Quality Standards

ISO-compliant manufacturing with rigorous in-house quality control.

Trusted Filtration Expertise Since 2016

Pingdu Dannovo Water Purifier Sales Firm is a leading Chinese manufacturer specializing in high-efficiency water filter cartridges and automatic control valves. With over 8 years of experience, we serve clients across industries including electronics, food & beverage, pharmaceuticals, and residential water treatment.

Our products are engineered for maximum dirt holding capacity, high flow rates, and long service life. From PP melt-blown cartridges for RO prefiltration to Runxin automatic softener valves, every component is built to deliver consistent performance under demanding conditions.

96+ Products

Water filter cartridges in various micron ratings and materials

40+ Valves

Automatic and manual control valves for softeners and filters

Our Premium Products

Engineered for performance, durability, and efficiency in every application

PP Melt Blown Filter Cartridge

30\" 5μm for RO prefiltration in electronics process water

• Removes suspended substances, particles, rust
• Polypropylene construction for chemical resistance
• Ideal for pre-RO systems

String Wound Filter Cartridge

30\" 5μm PP yarn, high dirt holding capacity

• High dirt holding capacity
• High water flow rate
• Customizable lengths (10\" to 40\")

PP Pleated Membrane Filter

0.2μm for industrial water filtration

• High surface area for extended life
• 0.1μm to 10μm options available
• Folded PP membrane for high efficiency

CTO Carbon Block Filter

Coconut shell activated carbon for drinking water

• Made from premium fruit shell carbon
• Removes chlorine, taste, odor
• 10\", 20\", 40\" sizes available

Titanium SS Filter Cartridge

Stainless steel construction for harsh environments

• Corrosion-resistant titanium mesh
• Reusable and cleanable
• Ideal for high-temperature applications

Runxin F71B Automatic Valve

Multi-function control valve for water treatment

• Automatic backwash and rinse cycles
• Digital programming interface
• Suitable for filter and softener systems

Runxin F92A Softener Valve

5m³/h automatic control for resin softeners

• 5m³/h flow rate capacity
• Regeneration cycle control
• Durable engineering plastic housing

Manual Softener Valve F64A

Multi-function control for water softeners

• Manual operation with multiple positions
• 2T/H flow rate
• Runxin brand reliability

View All 222+ Products

Why Choose Dannovo Filter?

Engineered excellence backed by quality and service

Quality Assured

Rigorous in-house quality control ensures every product meets international standards.

High Efficiency

Superior dirt holding capacity and flow rates maximize system performance.

Custom Solutions

Customizable sizes, micron ratings, and configurations for specific needs.

Competitive Pricing

Direct factory pricing with high value and low cost per liter filtered.

Frequently Asked Questions

What types of water filter cartridges do you offer?

We offer a comprehensive range including PP melt-blown, string wound, pleated membrane, activated carbon block (CTO, GAC, UDF), and titanium stainless steel cartridges in various sizes from 10\" to 40\" and micron ratings from 0.1μm to 100μm.

Are your automatic control valves compatible with standard systems?

Yes, our Runxin brand automatic filter and softener control valves are designed to fit standard tank sizes and plumbing configurations. Models like F71B, F77B1, F92A, and F63C3 are widely used in residential and commercial water treatment systems.

Can you customize filter cartridges to our specifications?

Absolutely. We offer customization for length, micron rating, end caps, and materials. Whether you need a 30\" 5μm string wound cartridge or a specialized pleated filter for industrial use, we can manufacture to your exact requirements.

What is the difference between CTO and GAC carbon filters?

CTO (Chlorine, Taste, Odor) filters are solid carbon blocks made from compressed activated carbon, offering high chlorine reduction. GAC (Granular Activated Carbon) filters use loose carbon granules and are better for high-flow applications but may channel. Both are made from coconut shell carbon for superior adsorption.

Do you provide technical support and documentation?

Yes, we provide full technical specifications, installation guides, and application support. Our team can assist with system design, valve programming, and troubleshooting to ensure optimal performance.

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