... -free; 10KV voltage class SC(B)9,SC(B)10 series of cast-resin dry-type distribution transformers produced by our company ... widely in the distribution network of 10KV voltage class .As a result of low-loss,low quantity of partial discharge, low noise, explosion ... to burn , environment protection and pollution-free of maintenance, strong resistance to short circuit ect,they have be used widely in power ...