... )low noise,low loss 3)anti-theft,strong overload ability,safe ZGS11 series of prefabricated substation applies to 12KV ring power ... , low price, low loss, anti-theft, strong overload ability, and safe. It can be used in the new residential, green belts ... information please view our website www.keynai.com.cn ZGS11 combined power substation (American Pattern)