ChangZhou SongYu HTPZ Electronic Co., Ltd is a specialized manufacturing enterprise in Piezoceramics transducing elements and eletroacoustic components for knitting machine; 1) Manufacturing Piezoceramics needle selector board that are compatible with Japanese WAC 2800/3800/3700 series, Italian LONATI/MATRIX series computer jacquards and relative supporting the clients’ Piezoceramics needle selection systems of seamless underclothes machines, circular knitting machines and stocking machines. 2) Manufacturing Piezoceramics transducing elements and electroacoustic components. mainly are Wac compatible piezoelectric plates and WAC compatible actuator; Our Piezoelectric plates are applied to Hosiery and knitting machine actuator. Pls feel free contact with u if u r interested in any of of Piezoeletrice plates or related piezoceramics components. wac data piezoelectric Needle Selectors 1) It is used for knitted and hosiery machines to replacing magnetic valve 2) High efficiency, low noise and long working life We offer a full range of WAC compatiable hosiery machine accessories, including WAC actuators, Finger tips, Piezoelectric Plates, Circuit boards and Touch screens. For more details, pls contact us. wac data compatible piezoelectric plates for knitting machinery neede selection apply to socks machine, seemless weaving machine, circular weaving machine.. ect wac data based machinery spare parts. Micro solenoid valve replacement. Lonati socks machine spare parts.