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| COVNA Control Valve Series | COVNA Pneumatic Butterfly Valve Series |
Why choose COVNA
1. At the same time, it has a complete control valve and ball valve assembly workshop, covering an area of 6,800 square meters, with a daily output of 5,000 control valves and ball valves
2. Quality assurance: 5 pressure and air tightness tests perfectly guarantee a 99.8% product qualification rate, and the valve life is guaranteed for 5 years
3. The product has obtained EAC full range certification
4. All valve products have a 5-year quality guarantee
5. With more than 20 years of production experience, its products are sold to 86 countries and regions in the world, and it has carried out business in 245 pilots around the world
