| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chem | Polyester Grade | MT | 528.78 | USD | 20251023 |
| Qingdao Shengze Chem | China national standards | MT | 528.78 | USD | 20251023 |
| Shandong Hualu | Polyester Resin Grade | MT | 528.78 | USD | 20251023 |
| Shandong Yihe Chem | China national standards | MT | 528.78 | USD | 20251023 |
| Shandong Yihe Chem | China national standards | MT | 535.83 | USD | 20251023 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 592.23 | USD | 20251023 |
| Shandong Shuojia Chem | China national standards | MT | 676.84 | USD | 20251023 |
| Sinopec | China national standards | MT | 676.84 | USD | 20251023 |
| Shandong Shuojia Chem | Polyester Grade | MT | 676.84 | USD | 20251023 |