Tangshan guangtae metal structures ltd., with a registered address in the northern part of shang guangzhou village, bundung township, tangshan city, with a registered authority, the business and industry administration of the bundong zone, with legal representatives zhang chang xinxing, and including sales for the construction and installation of metal structures (with the exception of the qualification control project) (project subject to authorization as required by law, may only operate with the approval of the relevant department)