... : Diameter: 5cm,6cm,8cm,10cm,20X5cm,30X5cm Grading Sieves, Sieves for Grain, Medicine, etc.: Diameter: 10X5cm,15X5cm,20X5cm,25X5cm,30X6cm,40X7cm,45X7cm ... Square Opening Sieves, Round Opening Sieves and Wire Mesh Sieves for Coal: (Wooden frame opening: 0.2-100cm)45X35X10cm,75X75X10cm,90X60X10cmCustome ...