Profile: Ningbo Keeist Machinery & Electricity Co. Ltd. manufactures linear actuators and control system. We provide linear actuators, handset series, distilling machine, controller system, sealing machine and ultrasonic cleaner. Our product is used in industry automatic, medical bed, nursing care bed, furniture bed, lifting table, dentistry chair, massage chair, leisure chair, electric sofa and human engineering. Our linear actuator is used in medical profession. Our handset is used with controller for linear actuators. Our economical multifunctional controller can control one to three electric machines and a hand switch or foot control switch.