| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 494.38 | USD | 20251126 |
| CNOOC | China national standards | MT | 565.0 | USD | 20251126 |
| Shandong Rongxin | Polyester Resin Grade | MT | 536.75 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 508.5 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 508.5 | USD | 20251126 |
| Jinan Jinrihe Chem | China national standards | MT | 579.13 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 508.5 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 508.5 | USD | 20251126 |
| Sinopec | China national standards | MT | 678.0 | USD | 20251126 |