Electric door tax returns which industry details
3412 Manufacture of metal doors and windows.
According to the national economic industry classification
(GB / T 4754-2017)
Electric door
Should be attributed to the C category manufacturing,
33 categories of "metal products industry",
331 in the "structural metal products manufacturing",
3312 Subclass "Manufacture of metal doors and windows" refers to the production of doors and windows and the like for building buildings with metal materials (aluminum alloy or other metal)