Question: Lucheng, Shanxi and Hejian are county-level cities of which country?

Context paragraphs:
Hejian: Hejian (; alternative romanizations: Ho Dsien, Ho-kien[-fou]) is a county-level city of Cangzhou City, in east-central Hebei province, China.  , the population was ca. 770,000 inhabitants and the city territory was 1333 km2 .  Hejian is situated along China National Highway 106.

Xingtai: Xingtai () is a prefecture-level city in southern Hebei province, People's Republic of China.  It has a total area of 12486 km2 and administers 2 districts, 2 county-level cities and 15 counties.  At the 2010 census, its population was 7,104,103 inhabitants whom 1,461,809 lived in the built-up ("or metro") area made of 2 urban districts and Xingtai and Nanhe Counties largely being conurbated now.  It borders Shijiazhuang and Hengshui in the north, Handan in the south, and the provinces of Shandong and Shanxi in the east and west respectively.

Shanxi–Henan–Shandong Railway: The Shanxi–Henan–Shandong Railway () or the Jinyulu Railway, also known as the Shanxi South Central Railway or the Watang–Rizhao Railway, is an electrified double-track heavy freight railway across northern China.  The line runs 1260 km from the village of Watang in Lüliang, Shanxi Province to the port of Rizhao in Shandong Province, and is named after the three provinces through which it passes Jin (Shanxi), Yu (Henan) and Lu (Shandong).  The line is the world's longest heavy freight railway and is designed to facilitate the export of coal from Shanxi to overseas markets.  The line can accommodate train speeds of up to 120 km/h .  Cities along route include Lüliang, Liulin, Hongdong, Changzhi and Pingshun in Shanxi; Linzhou, Anyang, Tangyin, Puyang, Hebi, Fan County and Taiqian County in Henan; Liangshan County, Dongping, Ningyang, Xintai, Laiwu, Yiyuan, Yishui, Ju County, Junan and Rizhao in Shandong.  The line was built from 2010 to 2014 and operations began on December 30, 2014.

Counties of the People's Republic of China: Counties ( ), formally county-level divisions, are found in the third level of the administrative hierarchy in Provinces and Autonomous regions, and the second level in municipalities and Hainan, a level that is known as "county level" and also contains autonomous counties, county-level cities, banners, autonomous banner, and City districts.  There are 1,464 counties in Mainland China out of a total of 2,862 county-level divisions.

List of county-level divisions of China: County-level divisions are the third level of administration of the People's Republic of China and include counties, autonomous counties, banners, autonomous banners, county-level cities and districts.  Most county-level divisions are administered as part of prefecture-level divisions, but some are administered directly by province-level divisions.

Taishanese people: Sze Yap Cantonese (Chinese: 四邑廣東人; Sze Yap: Hlei Yip Gong Ong Ngin; Cantonese: Sei Yap Gwong Dong Yan; Mandarin: Sìyì guǎngdōng rén) are a Han Chinese group coming from a region in Guangdong Province in China called Sze Yap (四邑), which consisted of the four county-level cities of Taishan, Kaiping, Xinhui, and Enping.  Now Heshan has been added to this historic region, and the prefecture-level city of Jiangmen administers all five of these county-level cities, which is sometimes informally called Ng Yap.  Their ancestors are said to have arrived from what is today central China about less than a thousand years ago and migrated into Guangdong around the Tang Dynasty rule period, and thus Taishanese as a dialect of Yue Chinese has linguistically preserved many characteristics of Middle Chinese.

Lucheng, Shanxi: Lucheng (Chinese Character: 潞城, pinyin: Lùchéng) is a county-level city in south-eastern Shanxi province of the People's Republic of China.  As a division of Changzhi City, it covers an area of 615 km² and has a population of 210,000.  Approved by the State Council in 1994, its title changed from Lucheng County to Lucheng City.  Lucheng's economy is driven by coal industry and limestone mining.

List of cities in China: According to the administrative divisions of China including Hong Kong and Macau, there are three level of cities, namely provincial-level (consists of municipalities and SARs), prefectural-level cities, and county-level cities.  As of September 2017 the PRC has a total of 662 cities: 4 municipalities, 2 SARs, 293 prefectural-level cities (including the 15 sub-provincial cities) and 363 county-level cities (including the 9 sub-prefectural cities and 9 XXPC cities) not including any cities in the claimed province of Taiwan.

List of township-level divisions of Guizhou: This is a list of township-level divisions of the province of Guizhou, People's Republic of China.  After province, prefecture, and county-level divisions, township-level divisions constitute the formal fourth-level administrative divisions of the PRC.  This list is divided first into the prefecture-level then the county-level divisions.  The six prefecture-level divisions of Guizhou are subdivided into 107 county-level divisions (15 districts, 7 county-level cities, 54 counties, 11 autonomous counties and 1 special district ).  Those are in turn divided into 1785 township-level divisions (691 towns 镇, 506 townships 乡, 252 ethnic townships and 94 subdistrcts).

County-level city: A county-level municipality (), county-level city, or county city is a county-level administrative division of mainland China.  County-level cities are usually governed by prefecture-level divisions, but a few are governed directly by province-level divisions.  Formerly known as prefecture-controlled city (1949-1970: ; 1970-1983: ).

Supporting paragraphs: Lucheng, Shanxi Hejian
Answer: China