Question: Where is the headquarters of the parent company of the Xian H-6 manufacturer?

full_context: Document 1: DShK: In addition to the Soviet Union and Russia, the DShK has been manufactured under license by a number of countries, including the People's Republic of China (Type 54), Pakistan, and Romania. Currently, it has been mostly replaced in favour of the more modern NSV and Kord designs. Nevertheless, the DShK is still one of the most widely used heavy machine guns.
Document 2: Aerowisata: Aerowisata is an Indonesian hospitality company based in Jakarta. It has four main businesses, consisting of Aerowisata Food Services, Aerowisata Hotels & Resorts Services, Aerowisata Travel & Leisure Services, and Aerowisata Transportation Services. It is a subsidiary of Garuda Indonesia Group.
Document 3: Bell 206: The Bell 206 is a family of two-bladed, single- and twin-engined helicopters, manufactured by Bell Helicopter at its Mirabel, Quebec, plant. Originally developed as the Bell YOH-4 for the United States Army's Light Observation Helicopter program, it was not selected by the Army. Bell redesigned the airframe and successfully marketed the aircraft commercially as the five-place Bell 206A JetRanger. The new design was eventually selected by the Army as the OH-58 Kiowa. Bell also developed a seven-place LongRanger, which was later offered with a twin-engined option as the TwinRanger, while Tridair Helicopters offers a similar conversion of the LongRanger called the Gemini ST. The ICAO-assigned model designation "B06" is used on flight plans for the JetRanger and LongRanger, and the designation "B06T" is used for the twin-engined TwinRangers.
Document 4: Kh-58: The Kh-58 was deployed in 1982 on the Su-24M 'Fencer D' in Soviet service. The Kh-58U entered service in 1991 on the Su-24M and Mig-25BM 'Foxbat-F'. The Kh-58E version can be carried on the Su-22M4 and Su-25TK as well, whilst the Kh-58UshE appears to be intended for Chinese Su-30MKK's.
Document 5: TWC Aviation, Inc.: TWC Aviation, Inc., now owned by Landmark Aviation, is an international business aviation company with operations centers at San Jose International Airport, in San Jose, California, Van Nuys Airport in Los Angeles, and Westchester County Airport, in White Plains, New York.
Document 6: Xian H-6: Delivery of the Tu-16 to China began in 1958, and the Xi'an Aircraft Industrial Corporation (XAC) signed a licence production agreement with the USSR to build the type in the late 1950s. The first Chinese Tu-16, or "H-6" as it was designated in Chinese service, flew in 1959. Production was performed by the plant at Xian, with at least 150 built into the 1990s. China is estimated to currently operate around 120 of the aircraft.
Document 7: China Airlines Flight 206: China Airlines Flight 206 was a flight operated by a China Airlines NAMC YS-11, registration "B-156", that crashed on approach to Taipei Songshan Airport on 12 August 1970. While preparing to land, the aircraft entered thick fog and a severe thunderstorm. Whilst on final approach the plane crashed into a bamboo grove near the top of Yuan Mountain, killing 14 of the 31 people aboard.
Document 8: Honda HA-420 HondaJet: The Honda HA-420 HondaJet is the first aircraft developed by the Honda Aircraft Company. It is a twin-engine, seven-seat light business jet, and is also considered as a very light jet. It was designed in Japan in the late 1990s then developed and manufactured in Greensboro, North Carolina, United States. Its first flight took place in 2003 and deliveries commenced in December 2015.
Document 9: Intelligent Water class AUV: Intelligence (智水, Zhi Shui or Zhishui) class autonomous underwater vehicle (AUV) is a class of little known ROUV developed by Shipbuilding Engineering Institute (船舶工程学院) of Harbin Engineering University (HEU) for the People's Liberation Army Navy (PLAN) of the People's Republic of China (PRC).
Document 10: Sukhoi: The JSC Sukhoi Company (, ) is a major Soviet and now Russian aircraft manufacturer, headquartered in Begovoy District, Northern Administrative Okrug, Moscow, and designs both civilian and military aircraft. It was founded by Pavel Sukhoi in 1939 as the Sukhoi Design Bureau (OKB-51, design office prefix Su). During February 2006, the Russian government merged Sukhoi with Mikoyan, Ilyushin, Irkut, Tupolev, and Yakovlev as a new company named United Aircraft Corporation.
Document 11: AVIC AW: AVIC AW is a series of Chinese UAVs developed by Beijing Wisewell Avionics Technology Co., Ltd. (北京维思韦尔航空电子技术有限公司), a wholly owned subsidiary of Aviation Industry Corporation of China (AVIC). Some models of AW series are currently under evaluation of Chinese military and various local law enforcement agencies.
Document 12: 2008 Sichuan earthquake: By May 15, Premier Wen Jiabao ordered the deployment of an additional 90 helicopters, of which 60 were to be provided by the PLAAF, and 30 were to be provided by the civil aviation industry, bringing the total of number of aircraft deployed in relief operations by the air force, army, and civil aviation to over 150, resulting in the largest non-combat airlifting operation in People's Liberation Army history.
Document 13: ASIMCO Technologies: ASIMCO Technologies is a large independent automotive components manufacturer headquartered in Beijing, China. With sales in excess of US$500 million, the company is one of the largest producers of automotive components in China, with 10 manufacturing operations, 52 sales offices and roughly 900 service stations across the People's Republic of China. It is the first international components manufacturer based in China, with over 15% of its annual sales made to customers in the United States, Europe and Japan.
Document 14: Curtiss P-36 Hawk: Internal company designation for a simplified export version with fixed landing gear, two slightly differing aircraft built, first sold to China, second to Argentina
Document 15: Xian MA60: The Xian MA60 (新舟60, "Xīnzhōu liùshí", "Modern Ark 60") is a turboprop-powered airliner produced by China's Xi'an Aircraft Industrial Corporation under the Aviation Industry Corporation of China (AVIC). The MA60 is a stretched version of the Xian Y7-200A, which was produced based on the An-24 to operate in rugged conditions with limited ground support and has short take-off and landing (STOL) capability.
ground_truth: Beijing
sub_queries: Xian H-6 >> manufacturer Answer: Xi'an Aircraft Industrial Corporation
Xi'an Aircraft Industrial Corporation >> owned by Answer: Aviation Industry Corporation of China
Aviation Industry Corporation of China >> headquarters location Answer: Beijing