The main products of tianjin bernard self-control equipment co. Ltd. Are: sd introduction technology electric executors, dkj series electric executors, iqit introduction of rotok technology electric executors, qt partial revolving valve electric devices, z series multiple revolving valve electric devices, small valve electric devices, electric valves, etc. The modular components are highly interchangeable and have diversified signal formats. The company's electric implementers are widely used in a wide variety of industries, including electricity, steel, oil refining