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SMA Solar Technology AG develops, produces and sells solar inverters and monitoring systems for photovoltaic applications. SMA is the world’s largest producer in this segment and is the only vendor that has a product range with the matching inverter type for any module type and any power class. This applies for grid tied applications as well as island and backup operation.

The inverter is technologically the most important component in any solar power system: it converts the direct current generated in photovoltaic cells into alternating current suitable for the grid. In addition, it is an intelligent system manager, responsible for yield monitoring and grid management. Solar inverters are characterized by a particularly high efficiency. The Sunny Mini Central produced by SMA already has an efficiency of over 98 %, which allows for increased electricity production.

SMA’s business model is driven by technological progress. Due to its flexible and scalable production, SMA is in a position to quickly respond to customer demands and promptly implement product innovations. This allows the Company to easily keep pace with the dynamic market trends of the photovoltaic industry and at the same time absorb short-term fluctuations in demand for solar inverters.

SMA Solar Technology AG is headquartered in Niestetal, near Kassel, and is represented on four continents by 15 foreign subsidiaries. This group of companies employs more than 5,000 employees (incl. temporary employees) and has been distinguished several times in previous years with awards for its outstanding performance as an employer. Since June 27, 2008, the Company has been listed in the Prime Standard of the Frankfurt Stock Exchange (S92), and since September 22, 2008, the Company’s shares have been listed in the TecDAX. In 2009, SMA generated an earnings before interest and taxes (EBIT) of more than € 228 million from a turnover of more than € 934 million. This corresponds to an EBIT margin of over 24 %.


Nanjing Dongyuan Electric Technology Co., Ltd. ("DONGYET") is located in Nanjing, Jiangsu Province, where is worldwide well-known for PV panel production. We are focus on providing PV system integration service in China for industrial and residential applications. We are also a value-added global reseller for SMA inverters by providing sales and technical advisory for end market across countries.

Our main business is: 1) Providing SI (system integration) service for roof-top PV projects, especially for industrial and residential applications. 2) Providing stand-alone solar power system for specific applications, such as solar electricity for rural areas, solar emergency supply, hybrid power systems and back-up systems. 3) Developing PV monitoring software for small PV projects and large-scale PV plants, as well as delivering customization for different PV applications.

The company adheres to the belief of specialization in PV technologies for well-supporting our customers. It means that we need to get deep understandings not only on inverter technologies, but also on PV panels of all kinds, and on low-voltage side connection or medium-voltage connection concepts as well. In addition, we need to know grid stability management very well as "Smart Grid" is rolling out across countries. In any way, we know PV industry is tech-driven, and we'll not be successful only if we put more efforts on technologies as well as on technical know-how. This is our belief for customers and with customers.