What laws and regulations should tourists abide by in traveling?
In order to maintain traveling order and protect legal rights of tourists, tourists should conscientiously abide by relevant laws, rules and regulations formulated by corresponding departments and all sight-seeing sites.
（1）In traveling transportation. In order to insure safety in traveling transportation, tourists should conscientiously abide by relevant laws and regulations on aviation, railway, highway, waterway and cable transportation, such as "Civil Aviation Law". "Regulations on International Passenger Transport of CAAC", "Law on Railway Transportation", "Provisional Regulations on Management of Highway Transportation", and "Regulations on Management of Waterway Transportation"
（2）Traveling accommodation. Tourists should abide by all specific regulations of hotels, restaurants, guest-houses, and sanatoriums as well as hostels, so as to guarantee personal and property security and a sound environment for a good rest.
（3）Sight-seeing. Tourist should abide by such laws and regulations as "Provisional Regulations on Management of Scenic Spots", "Law on Environmental Protection", "Law on Cultural Relics Protection", and "Law on Wild Animal Protection", so as to protect traveling environment and resources.
（4）On tourist entering and leaving the country. If Chinese citizens have out-bound traveling, according to "Law on Management of Chinese Citizens Entering and Leaving China" and its detailed implementation rules, the citizens should file in an application to their local public security organs on municipal or county level where is the place for their permanent residence registry, submit their household register or other certificate on permanent residence for examination, fill out the application form on leaving the country, submit opinions from the working place of the applicants, and produce corresponding certificates on reasons for leaving the country.
（5）On management of foreign exchange for traveling. According to regulations from "Provisional Methods on Foreign Exchange for Traveling", travel agencies engaged in traveling services for foreigners, overseas Chinese, compatriots of Hong Kong, Macao and Taiwan to come to China traveling, the agencies must charge their overseas counterparts and travelers in foreign exchange. Chinese citizens going abroad traveling should use foreign exchange in accordance with "Methods on Chinese Citizens Exchanging Foreign Currencies for Personal Purpose" and "Regulations on Chinese Citizens Remitting Abroad Foreign Exchange Savings".

What is "government procurement"?
According to the applied provisions in the Law of the People’s Republic of China on Government Procurement, "government procurement" refers to all of the purchasing activities conducted with fiscal funds by state administrative departments at all levels, institutions and social organizations when goods, construction and services concerned are listed in the Centralized Procurement Catalogue (CPC) published by the government procuring regulatory authority (GPRA) or value of which exceeds the respective Prescribed Procurement Thresholds (PPT) for goods, construction or services as applicable. 
The terms of "Procurement", "Goods" and "Construction" are specifically defined as follows. 
"Procurement" refers to activities conducted by means of contract and by which goods, construction or services are acquired for consideration, including but not limited to purchase, lease, entrustment and employment.  "Goods" refers to objects of every kind or form, including but not limited to raw materials, fuel, equipment, and products.
"Construction" refers to all work associated with construction, reconstruction, extension, decoration, demolition and repair or renovation of a building or structure. 

What Chinese laws and regulations should be abided by, regarding foreign exchange trading? 
As stipulated in the Regulations on Foreign Exchange Control of the People’s Republic of China, foreign exchange trading must comply with the principle of being open, fair, impartial, and honest.
Banks designated to handle foreign exchange and other financial institutions designated to handle foreign exchange businesses shall fix the prices of the foreign exchange traded between their clients and handle foreign exchange transactions according to the exchange rates published by the People’s Bank of China and the floating range specified accordingly.