Article 60 "Regulations for the Implementation of the Enterprise Income Tax Law of People's Republic of China (PRC)", unless otherwise stipulated by the competent departments of finance and taxation of the State Council, the minimum depreciation period of fixed assets is as follows: (1) 20 years for houses and buildings; (2) Aircraft, trains, ships, machines, machinery and other production equipment, 10 year; (3) Appliances, tools and furniture. 5 years related to production and business activities; (4) Four years for vehicles other than airplanes, trains and ships; (five) electronic equipment, for 3 years.
So we understand that elevators should be accounted and managed as part of the original value of buildings, and the minimum depreciation period is 20 years.