The registration address of the portfolio tool factory (individual businesser) is located at no. 130 in chen zheng town, chengzhou, hebei province. The registration authority is the portfolio market supervisory authority, represented by a legal person, and operates on general items: internet sales (except for licensed goods); wholesale distribution of hardware products; retail sale of hardware products; sale of metal accessories for construction; sale of metal tools; sale of wind and electric tools; sale of construction materials (see also below). In addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence)。