| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 607.75 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 621.88 | USD | 20251210 |
| Shandong Hualu | Polyester Resin Grade | MT | 491.85 | USD | 20251210 |
| Nanjing Runsheng Petro | Polyester Grade | MT | 593.61 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 491.85 | USD | 20251210 |
| CNPC | China national standards | MT | 637.43 | USD | 20251210 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.21 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 592.91 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 494.68 | USD | 20251210 |
| CNPC | China national standards | MT | 637.25 | USD | 20251209 |