Real-time middleware, Cogent DataHub: used in industrial automation for OT and IT's safer connection, protection of OT and IT security.
Beijing zhaoyang company as Cogent DataHub China distributor,
1, OPC2MQTT
2, OPC2InfluxDB
3, OPC2SQLServer
4, OPC2MySQL
5,,,, see website

With OPC UA and classic real-time two-way connection to the client and the server, any SQL database connection, Modbus from station, Excel spreadsheet, custom applications, Microsoft Azure IoT center, Google IoT, Amazon IoT Core, any standard MQTT client or agent and embedded systems,