| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 614.5 | USD | 20251129 |
| Shandong Shuojia Chem | Polyester Grade | MT | 678.07 | USD | 20251128 |
| Shandong Shuojia Chem | China national standards | MT | 678.07 | USD | 20251128 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251128 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251128 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 512.79 | USD | 20251128 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251128 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251128 |
| Sinopec | China national standards | MT | 678.07 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 601.79 | USD | 20251128 |