| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Wanhua Yantai | China national standards | MT | 791.26 | USD | 20251209 |
| Sinopec | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Kaitai Petro | China national standards | MT | 918.55 | USD | 20251208 |
| Satellite Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Shanghai Huayi | China national standards | MT | 918.55 | USD | 20251208 |
| Changzhou Qidi Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Hubei 789 Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Laya Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 883.22 | USD | 20251208 |