In order to promote the whole society to save energy, enhance energy efficiency, protect and improve the environment, and facilitate comprehensive, coordinated and sustainable economic and social development, China has established a national energy conservation product certification system to carry out energy conservation certification. CQC is the largest energy conservation product certification body in China. Its certification result of "conservation" mark has been adopted by the "Government Procurement List of Energy Conservation Products", which plays an active role in promoting the development of energy conservation product certification system. Through the implementation of energy conservation product certification, truly efficient and high-quality products can be distinguished from those that fail to meet the standards, which makes it easier for users and consumers to purchase products with an energy-saving certification mark. Additionally, their interests are guaranteed. Products with an energy-saving certification mark are more competitive in the market, which effectively helps prevent and crack down on counterfeit and shoddy products. By doing so, a fair market environment for enterprises is created, and enterprises are encouraged with guidance to produce efficient and high-quality products. Energy conservation certification builds a green bridge between enterprises and the government, and between enterprises and consumers. The scope of energy-saving certification that has been carried out includes: