... The main components are made by Japan Mitsubishi, Omron, Schneider, Siemens etc. 4, This equipment is widely used in hardware, electron ... The main components are made by Japan Mitsubishi, Omron, Schneider, Siemens etc. 5, This equipment is widely used in hardware, electron ... main components are made by Japan Mitsubishi, Omron, Schneider, Siemens etc. 4, It takes all-enclosed design, the activities of ...