San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
Taoshan District, which belongs to Qitaihe City, Heilongjiang Province, is located in the five major urban agglomeration centers of Qitaihe, Jixi, Jiamusi, Hegang and Shuangyashan in the east of Heilongjiang Province. On January 20, 1984, Taoshan District was established. Taoshan District covers an area of 78.9 square kilometers, 5.8 kilometers from east to west, 3 kilometers from north to south, and 160 to 320 above sea level. Taoshan District has a cold temperate continental monsoon climate, with an average annual temperature of 3.4℃, an annual maximum of 4.8℃ and an average annual precipitation of about 540mm. In 2013, the GDP of Taoshan District was budgeted to reach 3.09 billion yuan, down 21.8% from the same period in 2012. After adjusting the budget, the full-caliber revenue will reach 270 million yuan, and the public budget revenue will reach 160 million yuan. Investment in social fixed assets reached 1.1 billion yuan, compared with the same period last year.