| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 862.15 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1031.76 | USD | 20251210 |
| Sinopec | China national standards | MT | 791.49 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Sinopec | China national standards | MT | 777.35 | USD | 20251210 |
| Jinan Jinhao Chem | China national standards | MT | 1116.56 | USD | 20251210 |
| Zhenghe | China national standards | MT | 890.42 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 1102.43 | USD | 20251210 |