The washing machine is suitable for the pretreatment and washing of leather materials. The company produces round washing machines andUtype washing machine, this kind of washing machine stirring evenly, the reaction effect is good, the water efficiency is high, save water. The existing specifications are10m& sup3;,20m& sup3;,30m& sup3;,40m& sup3;,50m& sup3;,80m& sup3;,120m& sup3;, according to different customer production and demand, customized processing.