In the early 1990s, a few five-star hotels in China used imported magnetic card locks, while other hotels in the country basically used locks with conventional mechanical keys. At that time, the magnetic card technology was applied in China, except for several expressways such as the Guangzhou Foshan Expressway, which were introduced to hotels at or above the level of foreign countries. The then Guangzhou Foshan Expressway toll magnetic card technology was developed by the Guangdong Institute of Electronics. In 1991, the Institute transferred this technology to enterprises in Jiangmen, Guangdong to produce magnetic card meters for charging, and in 1993, the magnetic card technology was applied to hotel locks, The first batch of hotel magnetic card door locks were installed in Beijing Science and Technology Hall, etc. At that time, the unit price of the products was between 2000 and 3000 yuan
2021-08-05