Question: are Heshan, Guangxi and Guiyang both capitals>

Context articles: Guizhou–Guangxi Railway
Sawndip
Ongud
Chengdu–Guangzhou High-Speed Railway
Guiyang
Chengdu–Guiyang High-Speed Railway
Guiyang–Guangzhou High-Speed Railway
Nanning–Kunming Railway
Heshan, Guangxi
Shanghai–Kunming High-Speed Railway

The Guizhou–Guangxi Railway or Qiangui Railway (), is a single-track electrified railroad in Southwest China between Guiyang in Guizhou Province and Liuzhou in Guangxi Zhuang Autonomous Region.
 The shorthand name for the line, Qiangui, is derived from the shorthand names of Guizhou (Qian 黔) and Guangxi (Gui 桂).
Zhuang characters, or Sawndip , are logograms derived from Han characters and used by the Zhuang people of Guangxi, China to write the Zhuang languages for more than one thousand years.
 In Mandarin Chinese, these are called Gǔ Zhuàngzì () or Fāngkuài Zhuàngzì (方块壮字 ; "square shaped Zhuang characters").
 Sawndip (Sawndip: 𭨡𮄫 ) is a <a href="Standard%20Zhuang">Zhuang</a> word that means "immature characters".
 The Zhuang word for Chinese characters used in the Chinese language is "sawgun" (Sawndip: 𭨡倱; lit.
 "characters of the Han"); "gun" is Zhuang for the Han Chinese.
 The name "old Zhuang script" is usually used to distinguish it of the official alphabet based script Standard Zhuang.
 Even now, in traditional and less formal domains, Sawndip is more often used than alphabetical scripts.
The Ongud, (Turkic: Öngütler, Mongol: Онгуд, "untouchables") were Turkic speaking<ref name="https://books.google.se/books?id=N608AAAAIAAJ&pg=PA97&dq=turkic+ongut+tribe+lev+gumilev&hl=sv&sa=X&ved=0ahUKEwjX3ajr8N7TAhWFEVAKHYiNCzgQ6AEIJjAA#v=onepage&q=turkic%20ongut%20tribe%20lev%20gumilev&f=false"> </ref> Later mongolzied whit in Ongut-Mongol marriage alliance<ref name="https://books.google.se/books?id=4DKSDQAAQBAJ&pg=PA240&dq=ongut+tribe+turkic&hl=sv&sa=X&ved=0ahUKEwiv-Kv_4t7TAhUIY1AKHeEaAAkQ6AEIYzAJ#v=onepage&q=ongut%20tribe%20turkic&f=false"> </ref> they lived in Mongolia around the time of Genghis Khan (1162–1227).
 Many members were members of the Church of the East.
 They lived in an area lining the Great Wall in the northern part of the Ordos Loop and territories to the northeast of it.
 They appear to have had two capitals, a northern one at the ruin known as Olon Süme and another a bit to the south at a place called Koshang or Dongsheng.
 They acted as wardens of the marches for the Jin dynasty (1115–1234) to the north of the province Shanxi.
Chengdu-Guangzhou High-Speed Railway is a high-speed railway partly operational and partly under construction in South West China.
 It is considered to connect the capitals and major population centres of Sichuan and Guangdong via Guizhou and eastern Guangxi.
 A connecting railway (Chongqing–Guizhou High-Speed Railway) will allow services to travel between Chongqing and the south.
 Starting in Chengdu, it travels via Guiyang and Guilin before reaching Guangzhou.
 Some services travel further onto Shenzhen, bordering with Hong Kong, on the GZ-SZ-HK Express Rail Link.
Guiyang is the capital of Guizhou province of Southwest China.
 It is located in the center of the province, situated on the east of the Yunnan–Guizhou Plateau, and on the north bank of the Nanming River, a branch of the Wu River.
 The city has an elevation of about 1,100 m .
 It has an area of 8034 km2 .
 During the 2010 census, its population was 4,324,561, out of whom 3,037,159 lived in the 7 urban districts.
Chengdu-Guiyang High Speed Railway is a major trunk high speed railway between the provincial capitals of Chengdu, Sichuan and Guiyang, Guizhou via a small section traversing north east Yunnan province.
 It was selected for construction under the 11th Five Year Plan set by the Chinese Government.
 Construction started in 2010 and is expected to be completed by 2014.
 The northern section of this line between Chengdu and Leshan forms the southern part of the operational Chengdu–Mianyang–Leshan Intercity Railway.
Guiyang-Guangzhou High Speed Railway, is a high-speed rail (HSR) line in southern China between Guiyang and Guangzhou, the provincial capitals, respectively of Guizhou and Guangdong Province.
 The line, also known as the Guiguang HSR, is dedicated to high speed passenger rail service.
 The line is 856 km in length and can carry trains at speeds of up to 250 km/h .
 The line was built from 2008 to 2014 and opened on December 26, 2014.
The Nanning–Kunming Railway, or Nankun Railway (), is a single-track electrified railroad in Southwest China between Nanning and Kunming, provincial capitals, respectively, of Guangxi Zhuang Autonomous Region and Yunnan Province.
 The railway was built from December 24, 1990 to March 18, 1997 and has a total length of 898.7 km , including the main line of 863.04 km between Nanning and Kunming and a branch line from Weishe Township of Xingyi City to Hongguo Township of Liupanshui municipality, in Guizhou province.
 The Nankun Railway is a major rail conduit in Southwest China.
 Major cities and towns along route include Nanning, Baise, Xingyi, Luoping and Kunming.
Heshan () is a county-level city of central Guangxi, China, located on the lower reaches of the Hongshui River.
 It is under the administration of Laibin City.
The Shanghai–Kunming High-Speed Railway is a high-speed railway line in China.
 It was built in stages and completed on 28 December 2016.
 It is part of the CRH's system of passenger dedicated lines, beginning in Shanghai and ending in Kunming, the capital of Yunnan Province.
 Following a fairly similar route to the older "conventional" Shanghai–Kunming Railway, the Shanghai–Kunming High-Speed Railway passes through four more provincial capitals, the cities of Hangzhou, Nanchang, Changsha, and Guiyang.