Our company adopts self-developed technology to produce wind turbines and meanwhile possesses more than 10 patents such as pitch controlled, yawing, permanent magnet generator and other technologies. Among mature products, AH-500W, AH-1KW, AH-1.5KW and AH-2KW use yawing patented technology and AH-3KW, AH-5KW and AH-10KW adopt the international most advanced mechanical pitch controlled patented technology. All of them achieve self-protection and running smoothly and safely at gale condition and extend their service life. This revolution pilots pitch controlled technology development in the field of small and medium wind turbine industry. Qingdao Anhua becomes the industry leader in the small and medium wind turbine business. Our company has already passed ISO9001 Quality Management System and the products have passed CE certificate. Our company has sold bulk products to North American, Europe, Australia, Southeast Asia and other countries and regions, and has been high praised by the consumers across the world.