1. 2 WM ,2.5MW ,3 MW ,6 MW etc .wind ... . ISO 9001:2008 , BV , CE , ROSH etc . certified. 3.Manufacturer. 2MW wind power electric swivel slip ring : This type of electric ... swivel slip ring is used for the wind generator ,including : 1.5 MW, 2 MW , 2.5MW 3 MW 6 MW ... manufacture the brush holder assembly together with the slip ring . 1. Products : We supply our carbon brushes , brush holders and slip ...