Our company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of China Ess and Ess Battery, Sungrow Inverter Hybrid, Renewable Energy, Solar System 10kw,Solar System 5kw Complete. We adhere to the tenet of Services of Standardization, to Meet Customers' Demands. The product will supply to all over the world, such as Europe, America, Australia,Sweden, Greenland,Gabon, Miami.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.