Notice of the Ministry of Commerce and the General Administration of Customs on allowing three companies including Zhejiang Jiangtong Fuye and Ding Copper Co., Ltd. to carry out copper concentrate processing and trade business

商务部 海关总署关于允许浙江江铜富冶和鼎铜业有限公司等3家企业开展铜精矿加工贸易业务的通知