products range: alpha-a, alpha-b and alpha-c rack & pinion rotary actuators, hpy scotch yoke rotary actuators, hpl linear actuators, dgd manual override, as well as limit switches, solenoid valves, pneumatic control valves, reducing valves and other accessories. actuator body diameters cover φ32 ~ φ1000, more than one hundred specifications, with thrust from 500 nand 500000 n, torque range from 5 nm to 300000 nm.