... :Shanghai Navector also may according to user's special needs, customization: Φ 25, Φ 30, 40, and other special specification ... low noise, small timing control, convenient to move, etc.The standard set of screen, is necessary equipment for laboratory, set sieve ... volume, timing control, convenient to move, standard precision.Only Navector can add the Ultrasonic system for pricise and high effieciency ...