【昌建是哪个国家的品牌？】

英文翻译：Jiangxi Changjian Industry Co., Ltd., established in February 2006, is a new strength enterprise mainly engaged in R & D, manufacturing and operation of communication industry, professional intelligent building system integration, civil aviation airport intelligent system, and professional trenchless construction. It is a communication engineering professional construction enterprise managed by Jiangxi Communication Management Bureau and approved by the Ministry of industry and information technology of the people's Republic of China. Engaged in communication and information network construction and building intelligent construction nationwide, undertaking the implementation of a series of supporting activities such as user communication pipeline, user communication line, comprehensive wiring, overall scheme planning, design, equipment configuration and selection, project implementation, etc. connected to the public communication network, and having class a qualification certificate of communication and information network system integration issued by the Ministry of industry and information technology The qualification of communication user pipeline issued by National Association of communication enterprises, etc. Since its establishment, Jiangxi Changjian has established a perfect management system through years of operation, from product design and development to sales, continuous innovation, more stable customer groups, and won praise in the industry. For the company's personnel management, the structure is reasonable. Jiangxi Changjian has the experience of intelligent design and equipment construction of communication lines and buildings, and has a strong ability of independent research and development and production. The business area covers mobile communication, building intelligence, broadband access, residential quarters, public transport and railway, tunnels and subways, business and leisure, large venues, hospitals, universities, municipal squares and other large-scale public facilities, as well as network survey, testing and optimization solutions. The product series includes active transceiver, information intelligence terminal, direct release Stations, passive components, antennas and their beautification products, etc.; across wireless intercom, visual intercom, smart home and wireless communication (GSM, DCS, GSM-R, CDMA, PHS, WCDMA, TD-SCDMA, TD-LTE) and other network platforms. Jiangxi Changjian has gone through ten years, and the projects undertaken involve wireless communication, urban comprehensive pipe network, building intelligence, civil aviation airport intelligence, municipal information pipe network, electric power, railway and other fields. The construction area covers Jiangxi, Guangdong, Hainan, Shanghai, Jiangsu and other cities in the country, and high-quality enterprises win good social benefits.

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