| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 592.86 | USD | 20251201 |
| Shandong Rongxin | Polyester Resin Grade | MT | 537.03 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 592.86 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 635.96 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 508.77 | USD | 20251201 |
| BASF YPC | China national standards | MT | 607.7 | USD | 20251201 |
| Nanjing Runsheng Petro | Polyester Grade | MT | 607.7 | USD | 20251201 |
| Beijing Yanshan Petro | China national standards | MT | 635.96 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 529.97 | USD | 20251201 |
| Sinopec | China national standards | MT | 565.3 | USD | 20251201 |