Qingdao bay mechanical technology co. Ltd. Is a mechanical backbone enterprise that combines design to produce smart sales, services and integration; a professional r & d design team that produces large tablet sulfide machines of various types, high-end composite heat pressors, silicon sulfurizers, transporters with sulphurizers, tape-coated sulfurizers, various specialized heat pressors, university experiments with sulfurizers, gasket sulfurizers, tablet sulfurizers, rubber sulfurizers