Chongqing Nan'an District New Materials Chemicals Engineering Gong Lu Wei Xiu Intelligent Engineering Gong Cheng Cheng Bag Huan Bao / Energy Saving Environmental Engineering Environmental Treatment Environmental Treatment Ecological Construction Refrigeration Engineering Shi You Li Qing 高新技术企业 省部级科技进步奖 科技进步奖 科技型中小企业 市科技型中小企业 国家专利