| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 635.86 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 627.4 | USD | 20251024 |
| Beijing Yanshan Petro | China national standards | MT | 634.45 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 634.45 | USD | 20251024 |
| Sinopec | China national standards | MT | 613.3 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 507.56 | USD | 20251024 |
| Shandong Fusheng | China national standards | MT | 563.95 | USD | 20251024 |
| Shandong Fusheng | China national standards | MT | 704.94 | USD | 20251024 |
| Shandong Junfeng | China national standards | MT | 620.35 | USD | 20251024 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 549.85 | USD | 20251024 |