No.142 Songjiang District Popularity Ranking Shanghai No.2 Carbon Structural Steel No.2 Tan Su Steel No.3 Zirconium No.4 Special Materials No.5 Heat Exchangers No.5 ABS No.7 Tooling Clamps Tools No.8 Pharmaceuticals Machinery No.10 Ya Li Rong Devices No.12 Electronics Chemistry Products No.22 Modules Chemical Design No.31 Special Equipment 创新型企业 专精特新小巨人企业 专利示范企业 市级专精特新中小企业 省级高新技术企业 市级高新技术企业