No.177 Jiading District Popularity Ranking Shanghai No.2 Safety Operations No.5 Fei Qi Zhi Management No.5 Environmental Monitoring No.7 Environment Detection No.7 Ling Pai Fang No.10 Lian Oil No.11 Shi You Tian Ran Gases No.13 Lian Oil Technology No.19 Natural Gas No.19 Environmental Engineering No.25 Petroleum No.27 Plain Oil 科技型中小企业 省级创新型中小企业 省级专精特新中小企业 市级创新型中小企业 市级专精特新中小企业 市科技型中小企业