Slip rings for wind power have the good points of multi-loop, high precision, low noise, long life, optimized design, compact structure, stable performance, reliable operation, convenient installation and maintenance. The technical indexes reach the level of foreign similar slip rings. Slip rings for wind power are mainly used in pitch transmission and feedback system of MW wind turbine generator system, and in a batch supplied to domestic large wind power plants. Besides, the institute can produce all kinds of non-standard slip rings according to customers’ requirements.