| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 931.09 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.94 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 931.09 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 883.12 | USD | 20251104 |
| Shandong Xima | China national standards | MT | 973.41 | USD | 20251104 |
| Shandong Aite Chem | China national standards | MT | 1199.13 | USD | 20251104 |
| Sinopec | China national standards | MT | 884.53 | USD | 20251104 |