IP intercom emergency communication system for comprehensive pipeline corridor Urban comprehensive pipeline corridor is a public pipeline corridor used for centralised laying of municipal pipelines such as electric power, communication, broadcasting and television, water supply, drainage, hea Read More

Hotel broadcasting system China's hotel industry since the 1990s has experienced a period of rapid development, with the progress of society, tourism and business travel needs, from high-end star-rated hotels to business chain hotels, hotels throughout the country. In order to meet the n Read More