No.29 Dongying Popularity Ranking No.28 Dongying District No.753 Shandong No.1 Environmental Engineering No.1 Natural Gas No.1 Shi Gong Zong Cheng Bag No.1 Huan Bao / Energy Saving No.1 Ecological Construction No.1 City Construction No.1 Environmental Engineering No.2 Gong Cheng Cheng Bag No.2 Design Institute No.2 Shi Zheng Gong Yong Engineering No.2 Municipal Engineering No.2 Engineering Construction 理事单位 常务理事单位 高新技术企业 省级高新技术企业 发明专利 软件著作权 能源管理体系认证 两化融合管理体系