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As the largest integrated information service provider in Hangzhou, the China Telecom Hangzhou branch has a three-dimensional modern integrated communication network with large capacity program control exchange, optical fiber communication, data communication, satellite communication, wireless communication and other technical means.
The company is a well-known national communications company, running a systemized information and data processing network room which requires a relatively stable power supply environment for stable operation. The existing low-voltage power supply and distribution system does not take shielding measures against lightning-proof electromagnetic pulses, which has certain risks for the entire low-voltage power supply and distribution system.
At present, Beijing Unicom has nearly 4 million CDMA and GSM mobile communication users. The market share increases substantially.
As the first double-layer three-dimensional diverging highway bridge in China, Nanchang Bridge is more prominent than the surrounding buildings. The protection scope of the existing external lightning protection devices cannot meet the lightning protection requirements of the whole bridge, and there is a certain risk of lightning strike.
The office building of the Shenyang Railway Bureau is a comprehensive business processing agency, which is more prominent than the surrounding buildings. The existing protection scope of external lightning protection device cannot meet the lightning protection needs of the whole building, and there is a certain risk of lightning strike.
Chongqing West Railway Station is the biggest railway station in the west of Chongqing. The height is more prominent than the surrounding buildings. The existing protection scope of external lightning protection device cannot meet the lightning protection needs of the whole building, and there is a certain risk of lightning strike.
