Equipped with bubble device,improve soaking and washing effect. Adopt tapered structure at the bottom,easy for soil and sand centralized storage. Conveying by plastic chain belt,won’t hurt material. Fencboard use fast disassemble design. Equipped with manual controlled door on both side of tank easy for cleaning and maintaining. All machine is made of SUS 304 Stainless steel ,except motor and electric components ,sand blasting surface treated.