My name is Iran Ruiz de Aguirre and I am Sales Engineer in SGL GELTER, S.A a company member of SGL Group. We are the main suppliers for Spanish markets of MetalGraphite Brushes in slip rings technology for the wind power generators. We are very interested, about to know, if your company manufacturs slip rings for wind aplication generators with the technology of double fed ayncronus We would like to get a initial contact with you.