The Proudsmart Cloud is a cloud platform that fully support Industrial Wireless Sensor Network and protocols like 3G/4G, WiFi, Zigbee, BLE, BACnet, Modbus, OPC and etc. Proudsmart Cloud platform provides intelligent IoT service for manufacturing enterprises based on cloud service, container service and Big Data analysis. They have three lines of IoT products: ProudLink, ProudThink and ProudArk. ProudLink provides industrial standard hardware for wireless sensor network to ensure a secure, reliable and stable wireless data transmission. ProudThink is an Industrial Internet cloud platform which offers both private clouds and dedicated clouds. ProudArk is a "Google Search" for Industrial Internet which features IoT case studies, solutions, vendors, patents and professionals.