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FAQ

Founded in 2000, COVNA is headquartered in Dongguan, Guangdong, China. 3 production bases and more than 100 workers. For more details please check here.
Where is your headquarter?

Yes. We are always searching for global distributors who can be our partners to expand the local markets, and we also provide market protection, marketing and technical support for our distributors. If you are involved in the valve industry, or in relative industries which has rich customer base who will need valves, welcome to contact us and talk more details about the distributorship.
Can I be your distributor?

We have around 20 engineers from R&D, Designing, Production and QC department.
How many engineers do you have?

We have attended and visited ThaiWater 2015/2017/2018/2019, AsiaWater 2018, Water Philippines 2019, SIWW 2018, ECWATECH 2018, PCT Shanghai 2015/2016, and many industrial Exhibitions in China.
Which overseas exhibitions have you attended?

We usually quote within 12 hours after we get your detailed inquiry and needs.

If you are very urgent to get the price, please call us or email us so that we will regard your inquiry priority

When can I get the quotation?

Yes, our experienced sales teams and engineers know the industry deeply. And we trust that their experience could help you to select the right product for your project and help your project run well.
Welcome any inquiries from you!

Could you help to confirm the product by our needs?

We are glad to help you to confirm the product details to ensure you order the right one. If you have any doubts about the valve type and its application, please feel free to send us an email at [email protected], we will reply to you soonest within 12 hours.
How do I make sure I order the right size?

COVNA adheres to strict quality control procedures that begin with product design and carry through to the end of the production process using state-of-the-art quality control equipment to make sure the quality of each valves appearance and pressure, sealing test are good.
What are your quality control procedures?

Yes, COVNA possesses various qualifications, including ISO9001:2005, RoHS, CE, FDA, SGS, and Explosion-proof Electrical Apparatus.
Do you have any certificates of the valves?

You can visit our factory at any time, or apply for third-party factory audit. And during the COVID-19 special period, we could provide an online video chat for you to visit our factory.
How can we do factory audit or order inspection?

We accept T/T, Paypal, Western Union, and credit cards.
Meanwhile, we accept 100% payment before production for order amounts below 10,000 USD. 50% deposit before production and balance before shipment for order amount over 10,000 USD.

What is your payment term?

Yes. All regular products are in stock. The fast delivery time for the regular product is 1 to 3 days.

And for the customized product is around 7 to 15 days.

Do you have stock? And how about the customized products?

We have cooperated shipping agent and could help to arrange the shipment by sea or air or railway which help customers to reduce the trouble.
How do you ship the goods?

Please don’t worry. We provide online technical support.
Our sales will help to confirm the cause of the problem step by step. And then our engineer will assist to solve the problem.

What to do if the product breaks down in use？

Yes, we will attach the product manual when the product is shipped, so that you can use the product better.
 
Do you provide manual sheets?
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