HTHP sample dyeing machine is suitable for bobbin yarn sample dyeing Computer- Controlled Functions ... : heating, cooling, inflow, DF252 1-3kg HTHP sample dyeing machine is suitable for pure cotton, polyester, polyester cotton bobbin yarn ... 4MPaComputer- Controlled Functions: heating, cooling, inflow, outflow, dosing, return-flowing, stirring, main kier lever and dosing tank lever controlling,