Tolev Auto
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| Type name | Air filter |
| Size | Standard size; Custom size is available |
| Materials | Filter paper, metal, rubber gasket, O-ring, fiberglass; etc |
| Color | White, black, yellow, or customized |
| Efficiency | Filtration accuracy :≤4μm, filtration efficiency 99.8% |
| Certification | ISO 9001 |
| Service life | 2000h (Subject to working conditions) |
| Application | Applicable to international brand models |
Established in 1996, the manufacturer has adhered to the mission of "Filtering the World, Purifying the Future". With 28 years of technological accumulation, the enterprise integrates cutting-edge R&D, intelligent manufacturing, and technical services.
The facility spans 215,000 square feet with an annual production capacity of 2 million units. With 25 national patents and an independent engineering technology research center, the team ensures continuous development of forward-looking products.
Quality Assurance: The R&D Center features its own laboratory, capable of testing oil content (ISO8573), structural integrity (ISO4548), and mechanical performance (ISO5011 under construction). Products achieve filtration efficiency ≥99.5% and a service life extended to 1.5 times the industry average.
