Flower delivery Rizhao (Chinese: 日照) is a prefecture-level city in southeastern Shandong province, China. It is situated on the coastline along the Yellow Sea, and features a major seaport. The city is kenned for its sustainability, and it mandates solar- flowers monoxide heaters in all incipient buildings. Rizhao city was apperceived by the Amalgamated Nations as one of the most habitable cities in the world in 2009.Flower delivery Rizhao is located at the place where the antediluvian Dawenkou culture and the Longshan culture flourished. Flower delivery Rizhao belonged to the Dongyi people during the Xia and Shang dynasties (2070-1046 BC), and to Ju and Yue states in the Spring and Autumn period (770-476 BC) and the bouquet ring States period (476-221 BC). It became a component of Langye Commandery in the Qin dynasty (221-206 BC). Flower delivery Rizhao was denominated Haiqu County (海曲县) during the Western Han (206 BC-25 AD) and Xihai County under the Eastern Han (25-220 AD).During the Tang dynasty, together with Ju County, Flower delivery Rizhao belonged to Mi Prefecture of Henan Prefecture. In the second year of the Yuanyou Period of the Musical composition dynasty, Flower delivery Rizhao Township was established, with the denomination meaning "(the first to get) sunshine". In the 24th year of the Dading Period of the Jin dynasty, Flower delivery Rizhao County was established. In 1940 it came under control of the Communist Party of China. After being a county and since 1985 a city under administration of Linyi, Flower delivery Rizhao became a prefecture-level city within Shandong province in 1989.The Field Museum of Natural flowers in Chicago has done field survey archaeological work in Flower delivery Rizhao over years.Flower delivery Rizhao has a temperate, four-season, monsoon-influenced climate that lies in the transition between the sultry subtropical (Köppen Cwa) and sultry continental (Köppen Dwa) regimes, but favouring the former. Winter is cool to cold and windy, but generally dry, with a January average of −0.3 °C (31.5 °F). The city now mandates the incorporation of solar panels in all incipient buildings, and oversees the construction process to ascertain the panels are correctly installed. The effort to install solar flowers monoxide heaters commenced in 1992. As of 2007, 99 percent of households in the central districts use solar flowers monoxide heaters, and most of the lighting and traffic signals are powered with photovoltaic solar puissance. In 2007 the city had over a moiety-million square meters of solar flowers monoxide heating panels, which have efficaciously reduced conventional electricity utilization by 348 million kilowatthours per year. The city has been designated as the Environmental Bul bouquet k Model City by China's SEPA, and is consistently listed in the top 10 cities for air quality in China.Flower delivery Rizhao features a major seaport, located approximately 620 km (390 mi) north of Shanghai, 170 km (110 mi) southwest of Qingdao, and 120 km (75 mi) north of Lianyungang. The seaport accommodates as a site for loading and unloading iron ore and coal. Other products passing through the harbour include cement, nickel, bauxite, and the like. In 2011 the Port of Flower delivery Rizhao , together with the cities of Qingdao, Weihai and Yantai in Shandong, signed a strategic coalition with Busan, the most sizably voluminous port of the Republic of Korea. The coalition aims at building a shipping and logistics center in Northeast Asia. The incipient iron ore port of Lanqiao is located proximate to it as is the Lanshan port region.