Engineering Services - Engineering services refer to the construction, renovation, and installation of various buildings and structures, including associated equipment and platforms [2] - Installation services involve the assembly and placement of production, power, lifting, transportation, and other types of equipment, including related installation works [5] - Repair services focus on the maintenance, reinforcement, and improvement of buildings and structures to restore or extend their original value [7] - Decoration services aim to enhance the aesthetic appeal or specific functionality of buildings and structures through renovation [8] - Other construction services encompass various engineering service activities not covered in the previous categories [10] Taxation and Compliance in Tourism - The article outlines the tax implications for tourism services, including how to handle ticket sales and refunds, as well as the calculation of sales revenue for travel agencies [16][22] - Certain cultural and religious venues are exempt from value-added tax (VAT) on ticket sales, including museums, galleries, and places of worship [17] - Refund fees and service charges for ticket cancellations can be invoiced under "other modern services" and are subject to VAT [18] - The process for foreign travelers to claim tax refunds on purchases made in "immediate refund" stores is detailed, including necessary documentation and procedures [20] - Travel agencies must calculate their sales revenue based on the fees collected for various services, which cannot be invoiced as VAT-exclusive [22]

Group 1 - The company, Dongnan Network Framework, is a large professional architectural steel structure enterprise that integrates design, manufacturing, and installation [1] - The company's business primarily covers major national scientific facilities, schools, hospitals, sports venues, airport terminals, exhibition centers, and high-speed railway stations [1] - The company has extensive construction experience in the conference and exhibition center sector, having participated in numerous significant projects such as the National Exhibition and Convention Center and various international exhibition centers across different cities [1]