companies such as Dalian Heavy Industry Co., Dalian Chemical Group, and Wafangdian Bearing Co.; and of the distribution industry, such as the Dashang Group. Dalian Port is an important port for international trade. It has established trading and shipping links with more than 300 ports in 160 countries and regions of the world. There are over 100 international and domestic container shipping routes. A harbor for oil tankers (the largest by tonnage in China), at the terminus of an oil pipeline from the Daqing oilfields, was completed in 1976. Dalian is the 6th largest port in China; and according to AAPA world port ranking data, Dalian is the 8th busiest port in the world by cargo tonnage in 2012, and the 12th busiest container port in the world by total number of TEUs handled in 2013. Accordingly, Dalian is a major center for oil refineries, diesel engineering, and chemical production. Also completed in 1993 is a newer port called Dayaowan Port (), on Dagushan () Peninsula in the northern suburbs, specializing in import-export of mining and oil products. Together with the Dalian Railway Station, Dalian North Railway Station, Dalian International Airport and two major express roads to Shenyang (Shenda Expressway), Changchun (Changda Expressway), Harbin (Hada Expressway) in the north and to Dandong to the east, Dalian has been an important distribution center. Industrial zones Dalian has been given many benefits by the Chinese government, including the title of "open-city" (1984), which allows it to receive considerable foreign investment (see Special Economic Zone). The Development Zone was established in Jinzhou District, to which many Japanese companies, such as Canon, Mitsubishi Electric, Nidec, Sanyo Electric and Toshiba, followed by South Korean, American and European companies (such as Pfizer). In 2007, Intel announced plans to build a semiconductor fabrication facility (commonly known as a fab) in the Development Zone, Dalian. It is Intel's first fab to be built at an entirely new site since 1992. The facility began operation in October 2010. Dalian also houses auto-manufacturing plants for Chery, Dongfeng Nissan Passenger Vehicle Company, and BYD Automobile (a production base for BYD K9 electric buses). Other zones in the city include the Dalian Economic and Technological Development Zone, Dalian Export Processing Zone, Dalian Free Trade Zone, and Dalian Hi-Tech Industrial Zone. Financial and IT industry Dalian is the financial center of Northeast China. There are the Dalian branches of China's five major banks: