| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 1156.13 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1229.63 | USD | 20251210 |
| Shandong Zhenkun | China national standards | MT | 1000.66 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1088.29 | USD | 20251210 |