Air pollution HC printing network 13 May, the central government portal websites, "the State Council General Office of the Environmental Protection Department and other departments on joint prevention and control of air pollution to promote the work of improving regional air quality guidance to notice" (hereinafter referred to as "" guidance, ""), a clear will " Print "Trades and" to carry out pollution prevention and control of volatile organic compounds "scope." Guidance "required before the region by the end of June and submitted to the Department of Environmental Protection to implement the record." Guidance "issued upon the printing industry will inevitably lead to a new round of reform boom. (…)