ZBW series case-type transformer substation; CMJB1 transformer substation; KYN28(GZS1); HXGN; XGN; KYN1; GGIA(F) high voltage and low-voltage cabinet G; GCS; MNS; GGD; PGL; JK; central control console and various type tricase product; various cabinet body; carry on various power distribution system design; 220KV and under power transmitting and transforming equipment