During the environmental supervision period,in Shandong and Zhejiang, aluminum processing enterprises that did not  complete the EIA procedures are basically all shut down. The large-scale enterprises are mainly affected by casting and surface treatment (spraying, powder, oxidation, etc.), and because of auxiliary materials such as protective film, wrapping paper, insulation and other related industries are also affected by environmental protection, aluminum processing enterprises 's deliver date was pronglonged.

At present, many some qualified aluminum processing entreprise have been opened, but a large number of small aluminum prcessing  factories are in closure.