| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1312.22 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 891.75 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 898.8 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.66 | USD | 20251119 |
| Sinopec | China national standards | MT | 898.8 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 973.59 | USD | 20251119 |