| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 599.54 | USD | 20250930 |
| Hualu Holdings | China national standards | MT | 675.53 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 492.58 | USD | 20250930 |
| Shanghai SKY Chem | China national standards | MT | 738.86 | USD | 20250930 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.83 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 541.83 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 506.65 | USD | 20250930 |
| Shandong Yushuo Chem | Polyester Grade | MT | 591.09 | USD | 20250930 |
| Shandong Yushuo Chem | Polyester Grade | MT | 591.09 | USD | 20250930 |
| Shandong Yushuo Chem | Polyester Grade | MT | 591.09 | USD | 20250930 |