CCMA Organized the Construction Machinery Enterprises to Participate In the Beijing Registration Work Mobilization Meeting. In order to implement the "Atmospheric Pollution Prevention and Control Law of the People's Republic of China" and "Regulations of Beijing Municipality on Atmospheric Pollution Prevention and Control",  to implement the "Beijing Clean Air Action in 2013-2017" and improve the quality of the atmospheric environment in Beijing, CCMA is commissioned by the Beijing Municipal Environmental Protection Bureau and is carrying out equipment registration, statistics, establishment of data,  Issue and post identification code work for excavators, loaders, backhoe loaders, forklifts, bulldozers, graders, rollers, paver, milling machines, rotary drilling rigs and piling machines totally 11 Types of construction machinery.