1 all stainless steel type, thatthis stone washing machine where touch water will made of stainless steel 2 the drum of this stone washing machine will reverse continously but you are able to also operate the drum and move the drum point to point our operating 4 this stone washing machine can be heated by steam directly or indirectly 5 we can also apply invert motor on this stone washing machine machine This stone washing machine is ideal choice for you, to deal with jeans