SWS Medical have three tpyes of Hemodialysis Equipments, we named them SWS4000 series.

According to the numbers of machine's pump outside, we can classified this series double pump machine and single pump machine, actually, double pump machine we have SWS4000 and SWS4000B, and SWS4000A is the single pump machine.

The main difference between double pump and single pump is SWS4000B and SWS4000  can do all the basic dialysis treatments like HD, HF, HDF, IUF, HP etc, but SWS4000A can just do HD, IUF, Sequential Dialysis, HP etc.