Smart lighting IoT big data platform project in Chengdu, China -IOTCOMM | smart city lighting | 5G intelligent street lamp control system | Smart park lighting | Smart street pole | Intelligent road lighting control in ZigBee | Intelligent Tunnel lighting | Intelligent Solar lighting control | Smart lighting IoT big data platform solution-IOTCOMM | smart city lighting | 5G intelligent street lamp control system | Smart park lighting | Smart street pole | Intelligent road lighting control in ZigBee | Intelligent Tunnel lighting | Intelligent Solar lighting control | Smart lighting IoT big data platform solution