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