It is a privately run of enterprises cooperated by Hefei Cemnet reaserch & desigh institute and AnHui Bullding Materials Bureau scientific research institute. The products have sack cleaners, filter bag of the angry liquid (press and strain , in charge of straining machine , the central air conditioner , dust remover ) , frame of the filter bag , electric magnetic pulse valve , pulse controller , air compressor , pneumatic component and seal With success that the country joins WTO, our factory is adjusting the position constantly, deal with the market in time. All kinds of properties of product and quality are integrated with the international like product .