One of the most decisive factors to Duan success is the efficiency of its availability in support area, competitive advantages that come directly from the conviction that we are responsible for the quality we propose to the market.

So, in the condition of manufacturers, we offer a post selling service under indefinite term. And, to our direct clients, we offer one-year warranty with 100% excess cost exemption, except for the bad usage of the product provided for in the warranty manual.

We are at your disposal!

Monday to Friday from 9h to 18h.
Customer Service: (+55 11) 3413-3444
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