Specifications: Standard sieves and test sieves: diameter: 5cm, 6cm, 8cm, 10cm, 20x5cm, 30x5cm Grading sieves, sieves for grain, medicine, etc.: Diameter: 10x5cm, 15x5cm, 20x5cm, 25x5cm, 30x6cm, 40x7cm, 45x7cm, 50x9cm, 60x10cm Concrete sieve: diameter: 15cm, 13cm, 17x5cm, 20x5cm Square opening sieves, round opening sieves and wire mesh sieves for coal: (wooden frame opening: 0.2-100cm)45x35x10cm, 75x75x10cm, 90x60x10cmcustome orders are also welcome.