一、白银面临的困难问题迫切要求发展循环经济甘肃省白银市是依托铜资源而发展起来的资源型城市,素有“中国铜城”之称。但是,近年来随着原有优势资源的锐减,有色金属工业和相关产业发展受到严重影响,加快循环经济发展已成为当务之急。首先,发展循环经济有利于缓解资源约束矛盾 First, the difficulties faced by the silver urgently require the development of recycling economy Silver City, Gansu Province is relying on copper resources and developed resource-based cities, known as “China Tongcheng,” said. However, with the sharp reduction of the original superior resources in recent years, the development of the nonferrous metal industry and related industries has been severely affected, and accelerating the development of the circular economy has become a top priority. First of all, the development of circular economy is conducive to ease the contradictions of resource constraints