Zhuhai Yujian Science & Technology Co., Ltd is based in China and lists electric power meters and related equipment on Global Trade Plaza. The company offers products such as Single-Phase Prepayment Energy Meters, Low-voltage DCU Data Concentrator Units, and STS Three-Phase Smart Prepaid Energy Meters. These products feature numeric keyboard interfaces, infrared and RS485/RS232 communication, real-time-clock devices, load controlling switches, and capabilities for prepayment control and remote meter reading. The Single-Phase Prepayment Energy Meters support multi-tariff metering and numeric medium data exchange. The Low-voltage DCU Data Concentrator Unit uses low-voltage power line carrier technology and includes ABS waterproof and flame retardant material in a wall-mounted structure. The STS Three-Phase Smart Prepaid Energy Meter supports G3-PLC, GPRS, and RF meter reading, along with LCD display and energy testing pulse output. Buyers can send an enquiry through Global Trade Plaza.