The tax law stipulates the minimum depreciation period of fixed assets.

Legal analysis: (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.

Legal basis: Article 2 of the Individual Income Tax Law of People's Republic of China (PRC), individual income tax shall be paid for the following personal income: (1) income from wages and salaries; (2) Income from remuneration for labor services; (3) Income from remuneration; (4) Income from royalties; (5) Operating income; (6) Income from interest, dividends and bonuses; (7) Income from property lease; (8) Income from property transfer; (9) Accidental income. Individual residents who obtain income from items 1 to 4 of the preceding paragraph (hereinafter referred to as comprehensive income) shall calculate individual income tax according to the tax year; Non-resident individuals who obtain income from items 1 to 4 of the preceding paragraph shall calculate individual income tax on a monthly or itemized basis. Taxpayers who obtain income from items 5 to 9 of the preceding paragraph shall calculate individual income tax separately in accordance with the provisions of this law.