| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1087.06 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 1058.83 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Laya Chem | China national standards | MT | 974.12 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Sinopec | China national standards | MT | 1108.24 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |
| Nanjing Runhua Chem | China national standards | MT | 1122.36 | USD | 20251112 |