Ruigang 220kV substation with 39 35kV voltage level outgoing line intervals supported by our company officially started operation with the issuance of the start order of State Grid Jibei electric power company. It experienced 125 operation steps including 220kV bus split phase impact and nuclear phase, main transformer impact and nuclear phase, 110KV, 35kV bus and distribution equipment impact and nuclear phase. The power transmission was successful at one time.