| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 508.55 | USD | 20251129 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251129 |
| Sinopec | China national standards | MT | 678.07 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 508.55 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 522.68 | USD | 20251129 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.07 | USD | 20251129 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 621.57 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.06 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 522.68 | USD | 20251129 |