4 Preservation of Hides and Skins

In many cases it is impossible to put fresh hides and skins into leather production within hours of slaughter. Usually it takes 2 to 25 weeks to collect,store,market,transport hides and skins from slaughterhouse to tannery workshop. In this very period,hi ......(本文共 11762 字)     [阅读本文]>>



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