... nozzle hole, extension of the spinneret board’s life as well as shorter working hours, energy saving, simple operation, good washing ... nozzle hole, extension of the spinneret board’s life as well as shorter working hours, energy saving, simple operation, good washing ... .0850.452Hotline:4007100003Tel:0515-88666001/88666222 13770000005Fax:0515-87708001 India Well type vacuum furnace