2. Features: The device adopts the leading international advanced air knife technology with stable performance, high visibility, high drying effect, suitable for medium and high-speed production line: the air knife can rotate up and down ,right and left adjusting to dry areas and output level can be adjusted according to the size of air flow and the production capacity with simple operation .The device can apply for different type of bottles with no dust pollution caused by brush, maintenance-free, easy to clean the water from the bottles and porcelain bottles using is with the excellent special effects.