
Factory Exterior
Real photos




Tongchuang Junqi is a leading manufacturer of初中 and medium-efficiency air filters, with a facility spanning 5000 sqm.
1. Testing Equipment
1. High-efficiency Filter Tester: Tests filtration efficiency and pressure drop 2. Airflow Meter: Measures airflow and air velocity 3. Differential Pressure Gauge: Measures pressure difference across the filter 4. Particle Counter: Detects airborne particle concentration 5. Sound Level Meter: Measures equipment operating noise 6. Temperature and Humidity Chamber: Tests product performance under varying environmental conditions
II. Test Items
1. Filtration Efficiency Test: Verify compliance with HEPA/ULPA standards 2. Resistance Test: Measure initial and final pressure drop 3. Airflow Test: Validate performance at rated airflow 4. Leak Test: Check filter seal integrity 5. Durability Test: Simulate long-term operating conditions
3. Quality Management System
We build a thriving corporate environment grounded in innovative management, advanced technology, dedicated service, and superior quality. Our core principle is putting customers first—serving them with heart and winning their trust through exceptional service.
