... ), we produce polyurethane soles by 50 shoe moulds, 10 hours one day and 8 circles/hour, as the rotating speed, it can ... molding production line(60 position), we are produce 10 hours one day and 8 circles/hour, as the rotating speed, it can ... yield 1200 pairs of soles per day.4, Double color, double density polyurethane sole or upper-link ...