What is the formula for calculating the residual value rate of imported used equipment?

Residual value rate is the depreciated value of the old mechanical and electrical products, as it relates to import duties, so the Customs and Excise Department requires a declaration, the Customs and Excise Department has an internal fixed algorithm

The state of the second-hand equipment imported years of life is generally based on the average use of the machine to calculate the year of the Customs and Excise Department or the commodity inspection department in accordance with the importation:

Machinery equipment 10-14 years power equipment 11-15 years Conduction equipment 13-15 years of dynamic transmission equipment 8-14 years

Automation, semi-automation control equipment 8-12 years of electronic computers 4-10 years of general testing instruments and equipment 7-12 years of industrial furnaces 7-13 years of tools and other production tools 9-14 years of equipment tools 12-15 years of printing presses 8-10 years of metallurgical industry equipment 9-15 years of power generation and heating equipment 12-15 years of power transmission lines 30-20 years of power generation and heating equipment 12-15 years of power transmission lines 30-15 years of power transmission lines 30-15 years of power transmission lines 30-15 years of power transmission lines 20 years of power transmission lines30-35 years of power distribution lines14-16 years of power conversion and distribution equipment18-22 years of nuclear power generation equipment20-25 years of machinery industry equipment8-12 years of special equipment for the petroleum industry8-14 years of special equipment for the chemical and pharmaceutical industries7-14 years of special equipment for the electronics, instrumentation and telecommunications industry5-10 years of special equipment for the building materials industry6-12 years of special equipment for textile and light industry8-14 years of special equipment for the mining, coal and light industry8-14 years of special equipment for the mining, coal and light industry8-14 years of special equipment for the mining, coal and light industry8-14 years of special equipment for the mining, coal and light industry 14 years of mining, coal and forestry equipment 7-15 years of shipbuilding industry equipment 15-22 years of nuclear industry equipment 20-25 years of construction equipment 8-10 years of construction vehicles

The above is the general second-hand old machinery imported years of information for your reference, the specific requirements of the Customs and Excise Department or the commodity inspection management department shall prevail in the audit