COVNA is a valve manufacturer with 20 years experience and ISO9001:2008 certificate.
Our Headquarter is in Dongguan, have 4 production base. The headquarters covers an area of about 3,500 square meters and has more than 50 workers.
We have more than 30 patents and certifications, the quality is trustworthy.
Currently working with more than 100 countries to provide quality valves and automation solutions.
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