... 1. 2 WM ,2.5MW ,3 MW ,6 MW etc .wind generator slip ring . 2. ISO 9001:2008 , BV , CE , ROSH etc ... . 3.Manufacturer. 2MW wind power electric swivel slip ring : This type of electric swivel slip ring is used for the wind generator ,including : 1 ... China . 2. Industrial generator slip ring : In addtition to the wind power slip ring ,we also manufacture the collector ring for cement ,cable , crane , ...