What is the industry category of transformer
Time：2020-09-29 10:13 Clicks：
According to GB / T 4754-2002 classification standard, transformer belongs to: transformer, rectifier and inductor manufacturing industry code 3921, industry Description: refers to the manufacture of power electronic equipment and transformers such as transformers, static converters.
3921 or transformer, rectifier and inductor manufacturing industry should be filled in.
