| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.48 | USD | 20251009 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.48 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 541.48 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Shandong LuoHeng Chem | China national standards | MT | 576.64 | USD | 20251009 |
| Zaozhuang Yitai | China national standards | MT | 632.89 | USD | 20251009 |