As we all know, contract energy management (EPC) refers to the energy-saving service company and the energy use unit in the form of a contract to agree on the energy-saving project energy-saving goals, energy-saving service company to achieve the energy-saving goals to provide necessary services to the energy use unit, the energy use unit to pay the energy-saving service company's investment and reasonable profits energy-saving service mechanism.

RB/T302-2016 "Contract Energy Management Service certification Requirements" standard is the basis of contract energy management service certification, it focuses on the certification object's service provision ability, service process control and service performance.