Export fluid control valves to 80 countries overseas. Give us a call now:+86-769-2318 0101 (Ext 8020)


COVNA, Headquartered in Dongguan, is one of the top manufacturers of quarter turn actuators and automatic control valves in China. We offer the most comprehensive line of fluid control solutions for a wide range of industry-focused applications.

COVNA utilizes the latest edition of SOLIDWORKS CAD and PRO/E system for valve design purposes. The system allows the Company to export drawings and datasheets to standard MS-Windows PC for an easy and accurate use by the various departments.

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Designing & Moulding

COVNA always put quality as the first consideration. All COVNA products are designed, engineered and manufactured by experienced industry engineers to provide safe, reliable, dependable and affordable valves, actuators and solutions.

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Engineering & Testing

Innovation has been one of our primary concepts in product development, the latest manufacturing technologies have been employed to provide both quality and performance on every product produced.

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Innovative & Creative

While actively developing its valve business, COVNA does not forget to give back to the community at the same time, because we know very well that we are a community with a shared future.

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Social Responsibility

Discover the latest corporation news about the COVNA, and explore articles on water & waste water treatment, bumps & valves, and the innovations driving us forward.

Thanks for your use or future use of COVNA series products and your attention to COVNA. This year, COVNA is celebrating its 19th anniversary. Founded in 2000 as the Guangdong Pattern Works & Foundry, COVNA has been leading the way in fluid control solutions in China for more than a decade. Since the founding of […]

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Speech at New Year's Day

In 2019, COVNA is proudly celebrated 20 years in business. The COVNA Automation Company, a manufacturer of quarter-turn electric actuators, pneumatic actuators and automatic valves, was founded by visionary youth Bond Hong and developed in the early years with his wife Teresa Zheng in a small store in Dongguan, Guangdong. Here is the CEO, Bond […]

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The 19th Years Anniversary of COVNA

After previous charity donation activities in 2016 and 2018, in November 2019, COVNA team came to Yalong own, Hechi city, Guangxi Province, to hold the 3rd time charity donation activities for COVNA Hope Primary School. Sponsored by COVNA group initiated, a number of enterprises with a sense of social responsibility participate in the donation of […]

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3rd Donation Activities to Yalong Hope Primary School

COVNA INDUSTRY INSIGHT MAGAZINE is one of the important part of COVNA value-added services for clients at home and abroad. Yes, we also serve overseas customers!

The third issue of COVNA INDUSTRY INSIGHT MAGAZINE was printed On Oct. 21st, reporting the events of the year of COVNA and how the valve world become when connecting to 5G network. 

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3rd Issue Magazine

The second issue of COVNA INDUSTRY INSIGHT MAGAZINE was published On Mar. 23th, bringing us the latest development report of process valve applied in water & water treatment, nuclear & refining industry, etc. 

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2nd Issue Magazine

The COVNA INDUSTRY INSIGHT MAGAZINE made its first appearance on Jun.22nd, 2018. The MAGAZINE is an high-grade shiny print magazine and digital publication that provides in-depth & up-to-date coverage and analysis of research & development of fluid control valve concerning water & waste water treatment, food industry, chemicals, pharmaceuticals, marine and other industrial applications. 

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1st Issue Magazine

The company's rapid development can not be separated from well-educated and trained staff, COVNA pay special attention to the cultivation of staff skills and knowledge.

Whenever a gas or liquid is used as a working fluid for a machine, it is transported under pressure, regardless of its size. Sometimes the pressure in these systems and interconnecting pipes can be so large that a rupture can cause catastrophic damage or even death. This was the main cause of the failure of […]

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The Difference Between a Safety Valve and Relief Valve

Gearbox Operation Owing to the high gear rate, this kind of valve has the advantages of large output torque, easy operation and so on. They are widely used in rotary valves. The gear formed by the self-locking mechanism is suitable for triple offset valve which needs a torque seat. Turn the handwheel clockwise to close […]

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Most Common Driving Method for Ball Valves and Butterfly Valves

Butterfly Valve has existed for a long time and has a wide range of applications. They first appeared in the 1930s and have been used by many industries since then. Butterfly Valves are usually made of cast iron and the name comes from the functionality of the disc. There are several different types of butterfly […]

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The Difference Between a Lug and Wafer Butterfly Valve

Check our overseas customers frequently asked questions.

  • When can I get the price?

    We usually quote within 3 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.

  • How can I get a sample to check your quality?

    After price confirmation, you can require for samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight.

  • How long can I expect to get the sample?

    After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.

  • How long does the whole procedure being worked out?

    After you place a order,the production handling time is about 45-60 days. We need 15 days to prepare all the stuff then 30 days for manufacturing.

  • What about the transportation and delivery date?

    Normally we use shipment to transprot the goods.It is about 25-40 days. It also denpends on which coutry and port you are. It could be shorter if you need to send the goods like Asian. If there are some emergencies we can send the goods via air express, as long as you afford the traffic expense.

  • Do you offer discounted products?

    Yes, we have promotion products from time to time, subscribe to us so that you won't miss it!

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