Video
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| Employee explains COVNA automatic pressure control valve | Employees explain the difference between electric butterfly valves aand pneumatic butterfly Valves |
Parameters
Why choose COVNA
1. Rigorous 5-stage pressure and airtightness testing ensures 99.8% qualification rate, backed by a 5-year lifespan guarantee
2. Full EAC certification for all series
3. Factory-direct pricing: 10%-15% lower than market equivalents
4. Official supplier to CATL, Coca-Cola, Sinopec, etc.
5. OEM services available: Custom production based on client designs + laser branding solutions
