Yiyen Electric Technology Co., Ltd. is a high-tech enterprise dedicated to the integration of electronic and electrical technology research and development, intelligent manufacturing, and sales, providing energy storage and power quality system solutions for the Internet of Things for Energy. The main products are Energy Storage System (ESS) , Power Convert System (PCS) , LiFePO4 Battery Pack (PACK) , Battery Management System (BMS) , Solar Charger controller (MPPT) , Inverter (INV) , Static Var Generator (SVG) , Active Harmonic Filter (AHF) , Active Voltage Conditioner (AVC) , AC Charger (CSB) , Automatic Voltage Regulator (AVR) , etc.
Yiyen products are widely used in important fields such as education, communications, electric power, transportation, finance, medical treatment, industry and mining. YIY brand has successfully completed trademark registration in more than 60 countries, and has passed ISO9000 international quality system certification, CE certification, TUV certification, UL certification, MSDS, UN38.3, dangerous goods transportation certificate and other certifications. At present, Yiyen customers has covered more than 100 countries and regions around the world. As of 2020, Yiyen has obtained more than 30 product patents, ensuring the advanced nature and innovation of its products.Yiyen Technology will serve users attentively, carefully cultivate the "YIY" brand, and create "YIY" culture.