After Sales Service

NVVV offers 6 years warranty on the NVVV power supplies, during the warranty period, in the first year, products will be handled by replaced, in the second year to sixth year, products will be handled by repair.
This is a commitment to our customers to make them worry-free and more confident of our own products.

The company provides spare parts supply service for purchasing customers. When your one-time purchase reaches a certain size, we will give you 3-5 samples for free to bring you more convenience and ensure that you can replace the damaged products in time.

The company has a warehouse in the U.S., which can achieve the fastest 2-day delivery time for local users. In addition, we plan to set up agencies in India, Russia and other countries, which can quickly and effectively solve local customers' after-sales repair and replacement services and reduce after-sales time.

Our salesmen will ask our customers from time to time about their experience of using our products, get feedback from them and collect relevant problems in time to solve them.
We are proud of the fact that our customers are almost 100% satisfied with our products.