Introduction
As a trusted Chinese manufacturer with our own production facility, we specialize in high-efficiency string wound filter cartridges for industrial, commercial, and specialty filtration needs. Our filters are exported worldwide, helping businesses achieve cleaner liquids, longer equipment life, and lower operating costs.
If you’re sourcing reliable, cost-effective filtration solutions, this guide covers everything you need to know—plus why our cartridges outperform competitors. Request a sample or quote today!

Superior Filtration Through Advanced String Wound Technology
How It Works: Depth Filtration for Better Contaminant Removal
Unlike surface filters that clog quickly, our string wound cartridges use a multi-layer winding technique to trap particles throughout the entire media, not just on the surface.
Step 1: Liquid flows from outside to inside the cartridge.
Step 2: Contaminants are captured in the dense yarn matrix.
Step 3: Purified liquid exits through the strong inner core.
This design ensures:
✔ Higher dirt-holding capacity → Fewer changeouts, lower costs
✔ Consistent flow rates → No sudden pressure drops
✔ Longer service life → Reduced maintenance downtime
Key Advantages of Our String Wound Filter Cartridges

Industries We Serve
Our filters are used globally in:
✅ Water Treatment – Pre-filtration for RO systems, desalination, wastewater
✅ Food & Beverage – Sugar, beer, wine, edible oils, dairy processing
✅ Chemicals & Pharmaceuticals – Solvent purification, API filtration
✅ Oil & Gas – Fuel, lubricants, hydraulic fluids
✅ Electroplating & Metalworking – Coolant filtration, surface treatment
✅ Power Plants – Boiler feed water, condensate polishing
Customization Options – Get the Exact Filter You Need
We don’t just sell standard filters—we engineer solutions for your specific requirements:
🔹 Material Options: PP (most common), polyester (higher temp), cotton (natural fibers)
🔹 Micron Ratings: From 1μm (fine) to 100μm (coarse)
🔹 Sizes: Standard 10", 20", 30", 40" or custom lengths
🔹 End Caps: Polypropylene, stainless steel, or EPDM seals
🔹 Core Types: Perforated SS 304/316, PP, or PVC
Tell us your specs—we’ll manufacture it!
Competitive Pricing, Unmatched Quality
Many buyers switch to us because we offer:
✔ Factory-direct pricing (no middlemen = better rates)
✔ ISO-certified production (consistent quality)
✔ Rigorous testing (bubble point, flow rate, burst pressure)
✔ Fast lead times (stock + custom orders)
✔ Global shipping (DDP, FOB, EXW options)
How to Order? Simple!
1️⃣ Send us your requirements (micron, size, material, quantity).
2️⃣ Get a free quote within 24 hours.
3️⃣ Request samples (available for qualified buyers).
4️⃣ Place order – We handle production & shipping.
Thousands of businesses trust our filters—join them today!
📩 Email us now for pricing! ⚡