| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Yuhuang Chem | China national standards | MT | 1270.0 | USD | 20251111 |
| Sinopec | China national standards | MT | 1107.72 | USD | 20251111 |
| Sinopec | China national standards | MT | 1270.0 | USD | 20251111 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.17 | USD | 20251111 |
| Sinopec | China national standards | MT | 1227.67 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 1185.34 | USD | 20251111 |
| Shandong Xima | China national standards | MT | 973.67 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 1107.72 | USD | 20251111 |
| Aite Zhejiang | China national standards | MT | 1312.34 | USD | 20251111 |