Guodian United Power Technology Co., Ltd. was established in 2007 and is affiliated to the State Energy Group. It is a world-class wind power equipment manufacturer and fan full life cycle service provider. The company owns the National Key Laboratory of Wind Power Equipment and Control and the National Key Laboratory of Energy Tidal Ocean Energy Power Generation Technology. Fan R&D design and manufacturing service technology level is at the forefront of the world, and independently developed 2MW-130, 2.2MW-132, 3MW-146, 3.2MW-141, 3.4MW-141, 3.4MW-156, 3.2MW-156, 4.5MW -156 and other models have won 1 Chinese patent gold award, 2 National Science and Technology Progress Award, and more than 70 other important awards. The service system has passed the global consistency standard TÜV wind power service system certification, and the quality system has obtained dual certification from the international organization UKAS and the domestic organization CNAS.