The registration authority is the ping commune market supervision authority, with legal representatives and is based on archival supplies, archival boxes, archival bags, archive folders, file coils, file collections, intensive shelves, filing cabinets, brochures, packaging and printing materials, other printing products, production and sale; office supplies, clerical supplies, daily supplies, hardware, hardware, hardware, software and communications equipment, printers, office furniture sales, and internet sales and import and export operations; and advertising, graphic design, production (project authorized by law and subject to authorization)