| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 1284.55 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1110.55 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1110.55 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 933.71 | USD | 20251211 |