The registration address of the city of zhengzhou for the construction of new machinery is 900 metres east of the south station in the city of zhengyang. The registration authority is the market supervision authority of the city of zhongyang. The legal person is represented by the city of zhengxi, which covers the manufacture and sale of construction machinery; the import and export of goods and technology, with the exception of goods or technologies for which the state limits the operation of enterprises or prohibits their import and export。