To carry out the Environmental Protection Act of PRC and Act for   Promotion of Environmentalfriendly Production, to protection the environment and improve the enterprise environmentalfriendly production level, CINF was commissioned to compile as editorinchief the Standard for Environmentalfriendly ProductionLead Bullion Smelting Operations, which is approved and issued by the Ministry of Environmental Protection as the state environmental protection standard and has been implemented since Feb.1, 2010.