DORIS ESMERALDA HERNANDEZ CASTAÑEDA E HIJOS S en C offers you support and the maintenance for equipments of broadcasting diffusion of all branches. For that the company has a great laboratory with equipment of high quality that makes this company as one the best in our country and that helps to resolve any kind of technical problem in design and operation and also allows to make final probes to every new equipment.

We have a selective group of engineers with the capacity to solve problems of national and international equipments. We also make technical studies to make radio stations in our country and abroad. All this aspects with the precision and quality that the customer requires.