... pouring. Technology process Used-sand reclamation, Used-sand crushing regeneration, Used-sand magnetic separation, Used-sand screening, Used-sand ... , Used-sand temperature adjustment, New&used sand conveying, Add resin or sodium silicate, etc, Mix sand, Making core, Molding ... technical personnel The specifications as follows:1.Resin sand is a resin binder-type configuration(core)sand.2.sand reclamation ...