The registration address of the commercial firm of equipment (individuals) in the opening city is at no. 91 of the second group of chen liang village in the opening city of the city of henan province. The registration authority is liu xie-ying, representing the market supervision authority of the opening city's amee district, and operates on general items: sale of machinery equipment; repair of general equipment; repair of specialized equipment; retail sale of hardware products; import and export of goods; import and export of technology (in addition to legally authorized projects, the operation of which is carried out on an autonomous basis with a licence)