The registration address of henan zhengyang construction materials mechanics ltd. Is 50 metres east of contai road and dodja road, changyang city, henan province. The registration authority is the market supervision authority of yuyang city, represented by a legal person, li shishan, and includes the production and sale of gas brick production lines, steam brick production lines, sandstone machines, shredders, mills, mills and mining equipment; and the import and export of goods and technology. (except for projects prohibited by national laws and regulations and subject to authorization to operate)。