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18 Years Experience
COVNA has been focused on automatic
controlvalves industry with more than 18 years.
Technical Library
We have granted our worldwide
distributors free access to 2D/3D CAD drawings.
Same-day Shipping
Same-day shipping will be arranged
while orders placed before 3PM GMT +8.
Maintenance Service
If there should occur some mechanical
problems,you could go to any of our service branches for help.