Question: Are both Hangu District, Tianjin and Wuxi cities in China?

Context paragraphs:
Aitzaz Hasan Shaheed High School: Aitzaz Hasan Shaheed High School, formerly Government High School Ibrahim Zai, is a government secondary school in the community of Hangu, within Hangu District, Khyber Pakhtunkhwa, Pakistan.

Samana Range: The Samana Range is a mountain ridge in the Hangu District of the Khyber Pakhtunkhwa of Pakistan, commanding the southern boundary of Tirah.  The ridge lies between the Khanki Valley on the north and the Miranzai Valley on the south, and extends for some 30 m. west from Hangu to the Samana Suk.  It is some 6000 to 7000 ft. high.

Hedong District, Tianjin: Hedong District () is located at the heart of the municipality of Tianjin, People's Republic of China.  Its name literally means "east of the river", referring to its location east of the Hai River.  Parts of the district were once part of the Russian Concession during the colonial period in the early 20th Century.  Hedong District hosts Tianjin Railway Station, Tianjin Customs House and General Mail Office of Tianjin.  It also hosts Tianjin Conservatory of Music and Tianjin Polytechnic University (which used to be a branch of Tianjin University, the oldest university of China).

Aitzaz Hasan: Aitzaz Hasan Bangash Shaheed (Urdu: اعتزاز حسن‎ , born 1997 - died 7 January 2014 Hangu) was a Pakistani school boy from Hangu District in Khyber Pakhtunkhwa province who sacrificed his life while preventing a suicide bomber from entering his school of 2,000 students at Ibrahimzai village of Hangu, on 6 January 2014.

Kach Banda: Kach Banda is a town and union council in Hangu District of Khyber-Pakhtunkhwa.  It is located at 33°32'58N 71°5'10E and has an altitude of 785 metres (2578 feet).

Doaba, Khyber Pakhtunkhwa: Doaba is a town and union council of Hangu District in Khyber Pakhtunkhwa province of Pakistan.  It is located at 33°25'25N 70°44'11E and has an altitude of 878 metres (2883 feet).

Tianjin Modern Industry: The modern industry of Tianjin was started with Tianjin Machine Factory  which was established by the Qing government during the Self-Strengthening  Movement.  Afterwards, Yuan Shikai promoted new policies in Tianjin.  Numerous modern industrial enterprises mushroomed in Hebei  New District in the northern bank of the Hai River.  Including Zhou Xuexi, many industrialists established large enterprise groups that were managed by merchant and supervised by the government.  By the beginning of the 20th century, Chinese private enterprises were booming.  Among them is the most representative Yongli Alkali Factory which won the gold award and certificate in Philadelphia, the U.S. in 1926 by the soldium carbonate it produced.  The factory was praised as "the symbol of developing important chemical industry of the Republic China".  The development of Tianjin's modern industrial and the establishment of the Concessions in Tianjin contributed to the rapid expansion of modern Tianjin to become the biggest city and center of industry and commerce in northern China, as well as the second biggest city of industry, finance and trade in China.  The development of Tianjin modern industry mainly went through four stages: initial period, evolution period, booming period and occupied period.  Because of the industrial boom of Tianjin modern industry, the government of Tianjin built The Tianjin Museum of Modern Industry in Divergence estuary for commemoration.

Wuxi: Wuxi () is an old city in southern Jiangsu province, China.  The city borders two other large cities, Changzhou to the west and Suzhou to the east, and borders Zhejiang Province as well in the south.  It also covers a coastline of the Yangtze River in the north and two separate coasts of Lake Tai.  Wuxi is well known for being one of the birthplaces of China's modern industry and commerce, as well as the hometown of many important businessmen who have played essential roles in building commerce in Shanghai since the early 20th century.

Hangu District, Tianjin: Hangu District (), is a former district in eastern Tianjin, China; now part of Binhai New Area.  It serves as a gateway towards Liaoning, Jilin and Heilongjiang provinces.

Sunan Shuofang International Airport: Sunan Shuofang International Airport (IATA: WUX, ICAO: ZSWX) is an airport serving the cities of Wuxi and Suzhou in southern Jiangsu Province, China (Sunan meaning "Southern Jiangsu" in Chinese).  It is located in Shuofang Subdistrict (硕放街道), 12 km southeast of Wuxi and 22 km northwest of Suzhou.  The airport was built in 1955 for military use, and commercial flights only started in 2004.  Formerly called Wuxi Shuofang Airport (无锡硕放机场), it took the current name in November 2010 and is now co-owned by the governments of Wuxi, Suzhou, and Jiangsu Province.  In 2013, Sunan Shuofang Airport handled 3,590,188 passengers, making it the 42nd busiest airport in China.

Supporting paragraphs: Hangu District, Tianjin Wuxi
Answer: no