| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.91 | USD | 20251202 |
| Shanghai Guoke | China national standards | MT | 1282.59 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Unknown | China national standards | MT | 871.54 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shanghai Guoke | China national standards | MT | 1283.23 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1109.4 | USD | 20251201 |