I have been a customer of Grupo ecotoner for sever...
I have been a customer of Grupo ecotoner for several years and I can confidently say that their products and services are excellent. The quality of their toner cartridges is top-notch and they last a long time. The customer service is also exceptional, with friendly and knowledgeable staff always ready to assist. I highly recommend Grupo ecotoner to anyone in need of printer supplies.