| Category | Trademark | Trademark certificate | Product mark and certificate | Marking code | Texture of material | Life | Order contract and invoice | Identification of authenticity |
| Authentic Songjiang brand | Yes | Yes | With Songjiang ® brand logo | Yes | Natural rubber Rubber damping |
100% | “Songjiang rubber flexible joint” word |
QQ:731250055； WeChat:18516111010； Online identification |
| Fake Songjiang | No | No | No Songjiang ® logo Or later generated |
No | Non natural rubber Reclaimed rubber |
10% | No “Songjiang brand” words | Non uniform appraisal |
True and false identification