As the second largest port in Zhejiang Province , Wenzhou offers cargo shipping services to more than 80 domestic ports and the lower and middle reaches of the Yangtse River. It also has established trade-shipping ties with 113 ports in 26 countries and regions throughout the world. Wenzhou has a highly developed highway network. The 104 and 330 state trunk roads run through the city from east to west. The city has 151 long-distance bus lines to major cities in China such as Beijing, Guangzhou and Xi 'an. The railway line to Jinhua links Wenzhou with Hangzhou, Shanghai, Nanjing and Beijing . Wenzhou has 57 domestic air routes flying to Beijing, Shanghai, Shenzhen, Chengdu and Harbin, and two regional air routes to Hongkong and Macao.