DFUN (ZHUHAI) CO., LTD. was established in May 2013. As one of China’s leading measurement instruments companies, we design and manufacture Battery Monitoring System, iUPS Management System and Energy Monitoring Solution all over the world. Under perfect management in marketing and after-sales services, DFUN products have already been used all over China, Thailand, Malaysia, Australia, the USA, Canada, Germany, South Africa, and the Middle East. Additionally, our Battery Monitoring System and Energy Management System are applied to many power projects. -- Data Center Solution iUPS management system Battery monitoring system AC & DC Multi-Channel Energy Meter (12 or 42 circuits) -- Commercial Building Solution Power Meter & Energy Meter (MODBUS-RTU / BACnet-MS/TP / MODBUS-TCP/IP / Profibus-DP ) EMS (Energy Management System) Cloud Prepaid System -- Telecommunication Solution Battery Monitoring System Billing System Load control meter