This is Zhejiang Lang Cheng Sustainable Energy Co., Ltd. We have been specialized in researching and exporting the Integration of Sustainable Energy System and products including the Wind Generator with different watts, Solar Panel, Generator Controller, Led Light, Inverter and so on. We are the best compared with other companies in this line in China especially in the system and technology. For system, we can offer different systems depend on the requirements of the clients and we can make sure that it can be used conveniently. For technology, we focus on the Integration of the Distributed Power System which is complicated than the Centralized Power System. There are many important parts in this system. Such as Power Allocation which can allocate power rely on the situation, Safety Power and Standby power can guarantee that the users and State Grid will not be influenced if the system do not work or have any problems. The system we offered can churn and can grid. And it mainly used in all kinds of island, farm, fishing ground, mountain area, commercial area, navigation, holiday village and so on. Our products have high quality, beautiful shape, light weight, high efficiency, long using life, stable function, low wind speed and so on. The products have exported to many countries and have got good reputation. We are expanding our market and hope to establish business relations with you.