The registered address of the porto pumping industry ltd. Is 130 east park street, with the registration authority of the porto city market supervisory authority, with the legal personality representing han yusheng and covering the range of pump products and their accessories, parts for the removal of dust, sales of ballast machinery, valves, pipes, machine-bed equipment and accessories, tablets, and quantities; hardware rushing, mechanical processing; sales of castings; import and export of goods (which are prohibited by law and administrative regulations and may not operate without approval)**