| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.2 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Shandong Xima | China national standards | MT | 973.54 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 1245.86 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 1326.28 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.09 | USD | 20251122 |
| Sinopec | China national standards | MT | 1227.51 | USD | 20251122 |