Aogong Valve Co., Ltd. is a research and development, manufacturing, sales, service in one of the metal hard seal ball valve technology enterprises, with a number of national patents and drafting a number of industry standards. The company is equipped with advanced CAD, CAM and ERP systems and has passed a number of international certifications. Relying on technological innovation, the company has developed a series of advanced ball valve products, which are widely used in many industries, and has won praise from users at home and abroad with high quality and service, and has been identified as a science and technology enterprise in Wenzhou and Zhejiang Province.