We, Sera, believe that in Korea, where various resources are scarce, only advanced technology development can dominate in international competition. Based on our accumulated development capability and field experience in the field of micro system engineering, we commercialize Elevator & Escalator parts, Network Assembly and Mechatronic-controller, etc. to survive the global competition to provide competitive products to SMEs and large companies All employees are working hard to do this. We look forward to your continued interest and guidance.