Yes Extranet, also known as wide area network and public network, is a long-distance network connecting computer communication of local area network or metropolitan area network in different regions, and Liaoning Branch of Bank of Communications is a branch, so it is necessary to connect the extranet to the head office of Bank of Communications in Liaoning Province. Liaoning Branch of Bank of Communications is mainly engaged in the business approved by China Banking Regulatory Commission in accordance with relevant laws, administrative regulations and other provisions.