Question: Are Pingxiang, Guangxi, and Hunchun located in China?
Context: The Nanning–Youyiguan Expressway (), commonly referred to as the "Nanyou Expressway" (), is a 225.06 km in the Chinese autonomous region of Guangxi that connects the city of Nanning, the capital of Guangxi, and Friendship Pass, known in Chinese as "Youyiguan", a border crossing between China and Vietnam.  The Friendship Pass is located in the county-level city of Pingxiang, under the administration of the city of Chongzuo.  At the border, the expressway connects with National Route 1A in Vietnam.  The expressway is designated G7211, and opened on 28 December 2005. Đồng Đăng Railway Station (Vietnamese: "Ga Đồng Đăng" ) is a railway station in Vietnam.  It serves the town of Đồng Đăng, in Lạng Sơn Province.  It is the last station on the line before the Friendship Pass border crossing with Pingxiang, Guangxi in China.  It is not possible for foreigners to board the International Train at the station. Hunchun is a county-level city in the Yanbian Korean Autonomous Prefecture, far eastern Jilin province, Northeast China.  It borders North Korea (North Hamgyong province) and Russia (Primorsky Krai), has over 250,000 inhabitants, and covers 5,145 square kilometers.  It was capital of Balhae/Bohai Kingdom between 785-793 as "Dongyang".  The city's name Hunchun comes from the Manchu language meaning "borderland". Zuojiang Zhuang () is the various Zhuang languages spoken along the Zuo River, including the counties of Tiandeng, Daxin, Chongzuo, Ningming, Longzhou, and Pingxiang in Guangxi, some villages in Funing in Yunnan, and Vietnam, and is a putative branch of Tai languages of China and Vietnam.  Also known as Tho (a name shared with Tày and Cuoi of Vietnam). The Hunan–Guangxi Railway or Xianggui Railway (), is a mostly electrified railroad in southern China that connects Hunan province and the Guangxi Zhuang Autonomous Region.  The shortform name of the line, Xianggui, is named after the Chinese short names of Hunan, "Xiang" and Guangxi, "Gui".  The line runs 1013 km from Hengyang in Hunan to Friendship Pass on Guangxi's border with Vietnam.  Major cities along route include Hengyang, Yongzhou, Guilin, Liuzhou, Nanning, Pingxiang, and Friendship Pass. Pingxiang (; Zhuang: Bingzsiengz Si ) is a county-level city in the municipal region of Chongzuo in southern China's Guangxi Zhuang Autonomous Region. Camellia chrysanthoides (薄叶金花茶) is a species of "camellia" endemic to Longzhou and Pingxiang counties in Guangxi province, China.  It is a shrub or small tree growing between 1.5 and 5 meters in height, with yellow flowers.  It is endangered in the wild, with about 20-100 mature individuals remaining. Pingxiang County () is a county of Xingtai City, in southern Hebei province, China, located about 45 km from downtown Xingtai.  It has a population of 280,000 residing in an area of 406 km2 .  In the Han dynasty, Pingxiang County was known as Julu County (钜鹿县) and was the birthplace of Zhang Jue and his brothers Zhang Bao and Zhang Liang, who started the Yellow Turban Rebellion in the 180s. The Pingxiang steel plant explosion occurred in 2000, when an oxygen generator in a steel plant located in Pingxiang, Jiangxi, China, exploded.  At least 19 steel workers were killed as a result of the incident. The Pingxiang North Railway Station () is a railway station located in Pingxiang, in the western Jiangxi province, People's Republic of China, serving the Hangzhou–Changsha High-Speed Railway.
Answer: yes