CHANGZHOU CANTY ELECTRIC INDUSTRY CO,. LTD was founded in 2002 . We have been developed various grinding machines . The dual disc sander can complete grinding ,smoothing , cleaning ,polishing -all with one machine. KD -5330 and KD-5340 are professional plaster processing machines. Using this kind of machine can save half time and effort compared with manual work while processing gypsum plaster and lime -cement plaster . In order to keep the working environment cleaning and protect the operators health, the dual disc sanders are compatible with backpack vacuum cleaners .