Question: Which county-level city is under the administration of Yingkou City, Gaizhou or Arxan?

Context articles: Arxan Yi'ershi Airport
Arxan
Yingkou East Railway Station
Yingkou Lanqi Airport
Wang Yong (politician)
Gaizhou
Wafangdian
Dashiqiao
Jieshou
Yima, Henan

Arxan (or A'ershan) Yi'ershi Airport (IATA: YIE, ICAO: ZBES) is an airport serving the city of Arxan (A'ershan) in the Hinggan League of Inner Mongolia Autonomous Region, China.
 It is located near the town of Yi'ershi, 16.5 kilometers north of the city center.
 Construction started in September 2008 with a total investment of 303 million yuan, and the airport was opened on 28 August 2011.
Arxan (; Mongolian: "Arxaan hôt" or Рашаан хот; literally "spring" or "spa") is a county-level city of northeastern Inner Mongolia, People's Republic of China.
 It is under the administration of Hinggan League.
Yingkou East Railway Station (IATA: YDD) is a railway station of Beijing–Harbin High-Speed Railway, in particular of both the Panjin–Yingkou and Harbin–Dalian sub-sections.
 It is located in Dashiqiao, in the Yingkou prefecture level city, in the Liaoning province of China.
Yingkou Lanqi Airport (IATA: YKH, ICAO: ZYYK) is an airport serving the city of Yingkou in Liaoning province of Northeast China.
 It is located in Lanqi Village in Xishi District of Yingkou, about 17 km from the city center by road.
 The airport opened on 3 February 2016, when the inaugural China Eastern Airlines flight landed from Shanghai Pudong International Airport.
 The total investment for the project was estimated at CNY 8.94 billion.
Wang Yong (; born December 1955 in Gaizhou) is a Chinese politician.
 He has been serving since 2013 as a State Councilor and is the former Chairman of the State-owned Assets Supervision and Administration Commission (SASAC).
 From September 2008 to August 2010 he was the Director of the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) and in 2010, he was named by "Forbes" Magazine the 62nd World's Most Powerful Person.
Gaizhou (), formerly Gaixian and Gaiping, is a county-level city in Liaoning province, southwest China.
 It is under the administration of Yingkou City, which lies 31 km to the north-northwest, and is located at the northwest end of the Liaodong Peninsula near the northeast coast of the Bohai Sea.
Wafangdian (), formerly Fuxian or Fu County (), is one of the two "northern county-level cities", the other being Zhuanghe, under the administration of Dalian, located in the south of Liaoning province, China.
 The city is famous for its ball bearing industry.
 Wafangdian Bearing Factory is the largest bearing manufacturer in Asia and was initially built by the Japanese during World War II.
 Its area is 3576.40 km² and its permanent population as of 2010 is 942,197, compared to 1,024,876 registered with hukou permits.
 The city borders the prefecture-level city of Yingkou to the northeast.
Dashiqiao () is a city in south-central Liaoning province of Northeast China.
 It is under the administration of Yingkou City, which is 23 km to the west.
Jieshou () is a county-level city under the administration of Fuyang City, located on the Huang-Huai Plain in northwestern Anhui province, People's Republic of China.
 Jieshou, an important commercial port and gateway, borders Henan Province on the west and the Ying River, a major tributary of the Huai River flows in a southeasterly direction across the county to Fuyang.
 According to the "China Statistical Yearbook" the population of Jieshou city stood at 109,103 in 2010, while GeoNames, puts the population at over 140,000 inhabitants.
 Covering a total area of 667 square kilometers, the county-level city comprises three urban sub-districts of Jieshou, and in the surrounding rural area a further 15 towns and townships make up the total population of 740,000.
Yima () is a county-level city of Henan, China.
 It is under the administration of the Sanmenxia city.
 Yima City is located in the western part of Henan province.
 It is located inside Xiaoshan Old Way, with Yangshao Peak to the north and Balcony Loewe to the south.
 Since ancient times, it was a key road between Luoyang and Changan.
 It is of great strategic importance, often a battlefield or a place for merchants to trade.
 Yima City was founded two years before the Qin Dynasty called "The New County".
 After reforms were made, Yima City reache county-level status in Henan Province (it took 81 years to build the city).
 It was originally under the administration of Luoyang.
 However, since 1986, it is under the administration of Sanmenxia City.
 Currently, it is one of forty-eight counties in Henan Province trying to expand its powers.
 It is also one of China's top hundred counties, as well as being the smallest city in China (112 square kilometers with a population of about 160,000).
 Yima City has the advantage of being self-sustaining, allowing for massive redevelopment of its industry and increased economic growth.
 In 2010, the city's per capita GDP was over seventy thousand RMB, which is about ten thousand US dollars.
 It ranks alongside moderately developed countries.
 In 2010, it was ranked first economically in Henan Province (perennial top five).
 The city is also known as a "The Village of Martial Arts".