Sac filtrant COX (ZAOZHUANG COX INDUSTRY TECHNOLOGY) is a manufacturer and exporter of liquid and dust filtration products based in Zaozhuang Hi-Tech Zone, Shandong, China. Founded in 2005, we have spent two decades engineering filter bags, filter media, cages and housings for industrial filtration across more than 30 countries.
We specialize in high-efficiency liquid filter bags — needle felt, woven monofilament and multifilament mesh — in nylon, polypropylene (PP), polyester (PE), PTFE and stainless steel,
together with dust filter bags and filter cages for baghouse systems, filter cartridges, and single- & multi-bag filter housings. Our signature ranges include extended-life POXL and PEXL bags (compatible with EATON DURAGAF), Hayflow-compatible replacement bags, 3M DF replacement cartridges, and absolute-rated AGF / PGF / LCR series achieving up to 99.9% efficiency.
| Established | 2005 |
| Legal Entity | ZAOZHUANG COX INDUSTRY TECHNOLOGY |
| Location | No. 188, Hi-Tech Zone, Zaozhuang City, Shandong, China 277800 |
| Facility Area | 5,000 m² |
| Employees | 36+ |
| Annual Output | 1,200,000 filter bags |
| Service Clients | 300+ |
| Export Markets | North America, Europe, Southeast Asia, Middle East, South America |
| Quality System | According ISO 9001 certified |
| Nearest Port | Qingdao Port |
2005 — Founded
COX Filter Bag was established, separated from our parent company to serve growing international demand for filter bags and filter housings.
2008 — Expansion
Expanded into filter cartridge production; began exporting to Southeast Asia and the Middle East.
2015 — POXL / PEXL Launch
Launched the POXL/PEXL extended-life range as a cost-effective alternative to EATON DURAGAF, 3M/Cuno, PALL (FSI) and Pentair replacements.
2020 — Absolute-Rated Series
Introduced absolute-rated AGF, PGF and LCR series for high-efficiency applications up to 99.9%.
Today — Global Reach
Serving customers in over 30 countries with a complete range of liquid filter bags, dust filter bags, filter cages, filter cartridges and filter housings.
Exclusively on filtration — not a general trading company. Deep material and application expertise.
Full cross-reference tables for EATON, 3M, PALL (FSI), Pentair and Hayflow part numbers, so you order the exact replacement.
Nylon, PP, PE, PTFE, stainless steel; felt, monofilament and multifilament mesh; 0.2–2000 micron.
OEM sizes, special collar/ring types, and media treatment (heat-setting, calendering, singeing, anti-static).
Equivalent filtration performance at 1/3 to 1/5 of OEM pricing, with 2–5× longer service life on extended-life ranges.
7–15 day lead time on standard items. Samples in 3–5 days. Third-party inspection welcome.
Our facility operates according an ISO 9001 quality management system with three-stage inspection (IQC → IPQC → OQC) and AQL sampling. FDA test reports, SGS material test reports and MSDS documents are published on our Certifications page.
Third-party and customer on-site audits are welcomed.