Yiyen Electric Technology Co.. Ltd.is a high-tech enterprise dedicated to the research, development and intelligent manufacture of electronic and electrical technologies, providing core power equipment and system solutions for the Internet of Things for Energy. At present, Yiyen company owns holding companies such as Yiyen Electric Technology Co., Ltd.. Shenzhen Yiyen Electric technology Co.Ltd..and Lishui Yiyen Electric Technology Co.. Ltd. Which mainly manufacture inverters,LiFePO4 Battery Pack (LFP),Energy Storage System (ESS). Solar Charger Controller (MPPT),AC Battery Charger(CSB), Automatic Voltage Regulator (AVR), Power Convent System (PCS),Active Harmonic Filter (AHF), Static Var Generator (SVG), Power Quality Correct Device (SPC) and others.
Yiyen upholds the business philosophy of "seeking benefits with quality and development with technology.”
Quality management is the foundation of the development of Yiyen. We control the product quality by constructing a strict quality management system, and has obtained ISO9001 International Quality System and Safety Management System and main products have obtained certifications of CE, TUV, MSDS,UN38.3 and etc.
Technological innovation is the core of the Yiyen's development. Yiyen company is equipped with two R&D teams( in Shenzhen City and Nanjing City ), and having long-term cooperation with Tsinghua University and Hohai University. Yiyen has gained more than 60 product patents,which not only guarantee the advance and innovation of products, but also can continuously bring out more competitive products to meet the market demand on reliability, intelligence and environmental protection.
Yiyen's products have been widely used in important fields such as education system, telecommunication, power system, transportation, government agency, bank security, scientific research, medical institution, military and large industrial and mining enterprises. At the same time, YIY brand has successfully registered in more than 60 countries through the Madrid trademark. Now, Yiyen customers & users have covered more than 130 countries and regions around the world, which has laid a solid foundation for Yiyen's globalization
Yiyen company will serve users with heart, and truly benefit society with sincerity, carefully cultivate "Yiyen" brand, create "Yiyen" culture, and make energy and ecology more harmonious.

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