According to the enterprise data, chengde mountain resort Tourism Group Linfeng Technology Development Co., Ltd. was established on 20 17-06- 16, and its business scope includes the development and operation of Linfeng resource products and related technologies. Sales of air purification related products (excluding dangerous drugs), development, construction, operation and management of tourist attractions; Tourism consulting service; Conference and exhibition services, advertising design, production, publishing and agency services; Enterprise management consulting services; Corporate image planning services; Ticket agency service; Company etiquette service; Large-scale event organization services; Software development; Information system integration service; Office supplies, daily necessities, cosmetics, toys, clothing, shoes and hats, furniture, handicrafts (excluding items prohibited by the state), sporting goods and equipment, seedlings, flowers, seeds (no longer repackaged), health products, health food and food sales. * * * (Projects subject to approval according to law can only be operated after approval by relevant departments)