EMC (Energy Management Contract) has been widely applied in European and North American developed countries for decades. It is a kind of market mechanism that uses commercial method to promote energy conversation. BROAD EMC is to establish energy management contract with customers, supply energy diagnosis, energy efficiency retrofitting, operation management, and investment/ financing services, to receive the return of investment and obtain reasonable profit by saving energy.BROAD receives the return of investment and obtain reasonable profit by saving energy while users can enjoy energy and cost saving, as well as zero worry free.