The registered address of anhui silver and silver equipment ltd. Is located in the qingdai science and technology development area of the hokkai city of anhui province, located in the qinghang community, c. I. C. I. C., c. I. C., located in the qingdhai science and technology development area, no. 175, and the registering authority is the market supervision authority of the hoijiang city economic development zone, which operates on behalf of yang jia and covers general projects: the sale of pumps and vacuum equipment; the sale of gas compression machines; the sale of hydraulic machinery and components; the sale of gas, liquid separation and pure equipment; the import and export of goods; the import and export of technology; the retail sale of hardware products; the sale of lubricants; the installation of general machinery equipment; the sale of machinery and electrical equipment; and the licensing of mechanical equipment (in addition to licensing operations, the construction works (subject to the approval of the law, subject to the approval of the relevant department concerned, subject to the approval of the documentation or licence of the relevant department)