Legal basis: Article 3 of the Price Law of People's Republic of China (PRC), the state implements and gradually improves the mechanism that prices are mainly formed by the market under macro-control. The pricing should conform to the law of value. Most goods and services are subject to market-regulated prices, and very few goods and services are subject to government-guided prices or government pricing. Market-regulated price refers to the price set by operators independently and formed through market competition. The term "business operators" as mentioned in this Law refers to legal persons, other organizations and individuals engaged in producing and dealing in commodities or providing paid services. Government-guided price refers to the price set by the competent pricing department of the government or other relevant departments in accordance with the provisions of this law. The benchmark price and its floating range are set according to the pricing authority and scope to guide operators in setting prices. Government pricing refers to the price set by the competent pricing department of the government or other relevant departments in accordance with the pricing authority and scope stipulated in this Law.