| LouvresLouvres,used on the edges of fresh air exhoust 
                                      are produced as stable, flexible wing structured, 
                                      as well as handle controlled. They are multifunctional,used 
                                      at the air circulation points of absorbation, 
                                      exhoust, wc, bath,warehouses. Type Z hogbacked 
                                      wing structured louvres are produced from 
                                      painted unpainted aluminium profiles.
 
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