| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 1058.83 | USD | 20251112 |
| Shandong Yihe Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Jinling Chem | China national standards | MT | 1087.06 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Jinling Chem | China national standards | MT | 1087.06 | USD | 20251112 |
| Shandong Lifuda | China national standards | MT | 1087.06 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1256.48 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 1115.3 | USD | 20251112 |