| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongyue | China national standards | MT | 238.81 | USD | 20251230 |
| Shandong Jinling | China national standards | MT | 238.81 | USD | 20251230 |
| Shandong Luxi Chem | China national standards | MT | 238.81 | USD | 20251230 |
| Shandong Luxi Chem | China national standards | MT | 244.56 | USD | 20251229 |
| Shandong Luxi Chem | China national standards | MT | 244.56 | USD | 20251229 |
| Dongying Huatai Chem | China national standards | MT | 238.78 | USD | 20251226 |
| Shandong Jinling | China national standards | MT | 243.04 | USD | 20251226 |
| Dongying Huatai Chem | China national standards | MT | 238.78 | USD | 20251226 |
| Shandong Jinling | China national standards | MT | 243.04 | USD | 20251226 |
| Dongying Huatai Chem | China national standards | MT | 237.24 | USD | 20251225 |