No.210 Shanghai Popularity Ranking No.85 Pudong New Area No.1 Ye Hua Tian Ran Gases No.1 Environmental Technology No.1 Environment Technology No.2 Shipbuilding No.2 Shi You Tian Ran Gases No.2 Neng Yuan Jie Jue Solutions No.2 Zhi Hydrogen No.2 Ocean Engineering No.2 Hydrogen Energy No.3 Hai Yang Jing Ji No.3 Natural Gas No.5 Industrial Control 省级高新技术企业 市级高新技术企业 高新技术企业 省级创新型中小企业 ISO9001认证 ISO45001认证 ISO14001认证