Question: What is the country name in three letters implementing book censorship in the country having a list of tallest buildings in the city headquartering Hacha?

full_context: Document 1: Hanchen Group: The Hanchen Group was founded in Amsterdam, Netherlands in 1998, as an enterprise engaged in tobacco and related industries. Hanchen focuses mainly on the growing, processing and marketing of tobacco, organic rice and other agricultural products, as well as trading in leaf tobacco, cigarettes, and tobacco packing materials. Hanchen Group is the owner of two cigarette brands: 'Hakka' and 'Penang', which are mainly sold in Taiwan and Southeast Asia.
Document 2: Politics of China: The politics of the People's Republic of China takes place in a framework of a semi-presidential socialist republic run by a single party, the Communist Party of China. State power within the People's Republic of China (PRC) is exercised through the Communist Party, the Central People's Government and their provincial and local representation. The Communist Party of China uses Internal Reference to manage and monitor internal disagreements among the people of People's Republic of China. Document Number Nine was circulated among the Chinese Communist Party in 2013 by Xi -- Li Administration to tighten control of the ideological sphere in China to ensure the supreme leadership of the Communist State will not be challenged by Western influences.
Document 3: Chengdu Greenland Tower: Chengdu Greenland Tower is a supertall skyscraper under construction in Chengdu, Sichuan, China. It will have a height of with 101 floors. Construction began in 2014 and is expected to end in 2018. It will become the tallest building in Chengdu and southwestern China.
Document 4: WonderMedia: WonderMedia is a fabless SoC company headquartered in Taipei, Taiwan. It is a subsidiary of VIA Technologies. It is notable for creating the low cost processors used in a large number of Chinese Android and Windows CE-based devices. The SoC designs are collectively called the WonderMedia PRIZM platform and are based on the reference implementations provided by ARM Holdings.
Document 5: List of tallest buildings in Shenzhen: Shenzhen, a major city and Special Economic Zone in Guangdong, China, is home to 1108 completed high-rises. The tallest building in Shenzhen is the Ping An Finance Centre, upon its topping out in 2015. It is also currently the fourth tallest in the world. The second and tallest fully completed building in the city is the Kingkey Finance Tower. The third tallest building is Shun Hing Square (otherwise known as the Diwang Building, 地王大厦), which stands with 69 stories. It was the tallest all-steel building in China at its completion in 1996. Shenzhen's high-rise building boom shows no signs of slowing down, with numerous proposals for skyscrapers taller than .
Document 6: List of tallest buildings in Xiamen: This list of tallest buildings in Xiamen ranks skyscrapers in the southeastern coastal city of Xiamen, China by height. Xiamen is sub-provincial city under Fujian province it became one of China's earliest Special Economic Zones in the 1980s. The tallest building in Xiamen is currently Xiamen International Centre which rises 339.88 m.
Document 7: Melbourne: In 2012, the city contained a total of 594 high-rise buildings, with 8 under construction, 71 planned and 39 at proposal stage making the city's skyline the second largest in Australia. The CBD is dominated by modern office buildings including the Rialto Towers (1986), built on the site of several grand classical Victorian buildings, two of which — the Rialto Building (1889) designed by William Pitt and the Winfield Building (1890) designed by Charles D'Ebro and Richard Speight — still remain today and more recently hi-rise apartment buildings including Eureka Tower (2006), which is listed as the 13th tallest residential building in the world in January 2014.
Document 8: Phison: Phison Electronics Corporation is a Taiwanese public electronics company that primarily manufactures controllers for NAND flash memory chips. These are integrated into flash-based products such as USB flash drives, memory cards, and solid-state drives (SSDs). Some Sony MicroVault USB sticks and Verbatim Store n Go USB sticks use Phison USB-to-Flash micro-controller ICs.
Document 9: Hacha (corporation): Hacha, short for Shenzhen Hacha Industrial Co., Ltd., is a Chinese electronics manufacturer mostly involved with portable media player (PMP) design and manufacture. Its products are sold worldwide and often rebranded under different names.
Document 10: 2008 Summer Olympics torch relay: In response to the demonstrations, the Chinese government attempted to calm the situation, possibly fearing the protests may spiral out of control as has happened in recent years, including the anti-Japanese protests in 2005. State media and commentaries began to call for calm, such as an editorial in the People's Daily which urged Chinese people to "express [their] patriotic enthusiasm calmly and rationally, and express patriotic aspiration in an orderly and legal manner". The government also began to patrol and censor the internet forums such as Sohu.com, with comments related to the Carrefour boycott removed. In the days prior to the planned boycott, evidence of efforts by Chinese authorities to choke the mass boycott's efforts online became even more evident, including barring searches of words related to the French protests, but protests broke out nonetheless in front of Carrefour's stores at Beijing, Changsha, Fuzhou and Shenyang on May 1.
Document 11: Central Control Commission of the Communist Party of the Soviet Union: The Party Control Committee oversaw the party discipline of the Party members and candidate Party members in terms of their observance of the programme and regulations of the Party, state discipline and Party ethics. It administered punishments, including expulsions from the Party. The Party Control Committee also considered the appeals of Party members punished by their local Party organizations.
Document 12: Hanoi: Hanoi has experienced a rapid construction boom recently. Skyscrapers, popping up in new urban areas, have dramatically changed the cityscape and have formed a modern skyline outside the old city. In 2015, Hanoi is ranked # 39 by Emporis in the list of world cities with most skyscrapers over 100 m; its two tallest buildings are Hanoi Landmark 72 Tower (336 m, second tallest in Vietnam after Ho Chi Minh City's Landmark 81 and third tallest in south-east Asia after Malaysia's Petronas Twin Towers) and Hanoi Lotte Center (272 m, also, third tallest in Vietnam).
Document 13: Book censorship in China: Book censorship in the People's Republic of China (PRC) is implemented or mandated by the PRC's ruling party, the Communist Party of China. Book censorship is widespread in China. Enforcement is strict and sometimes inconsistent. Punishment for violations can result in prison. The Chinese government is extremely sensitive to any opinions on the politics and history of China and its leaders that differ from currently sanctioned opinions, or that discuss topics which are officially taboo. What is officially taboo can change over time.
Document 14: Publicity Department of the Communist Party of China: It was founded in May 1924, and was suspended during the Cultural Revolution, until it was restored in October 1977. It is an important organ in China's propaganda system, and its inner operations are highly secretive.
Document 15: Portable media player: The first portable MP3 player was launched in 1997 by Saehan Information Systems, which sold its ``MPMan ''player in Asia in spring 1998. In mid-1998, the South Korean company licensed the players for North American distribution to Eiger Labs, which rebranded them as the EigerMan F10 and F20. The flash - based players were available in 32 MB or 64 MB (6 or 12 songs) storage capacity and had a LCD screen to tell the user the song currently playing.
ground_truth: PRC
sub_queries: Hacha >> headquarters location Answer: Shenzhen
list of tallest buildings in Shenzhen >> country Answer: China
Book censorship in China >> country Answer: PRC