| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 492.32 | USD | 20251211 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.74 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 537.59 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 509.29 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 495.15 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 537.59 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 636.62 | USD | 20251211 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 492.32 | USD | 20251211 |
| CNPC | China national standards | MT | 638.03 | USD | 20251211 |