| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1249.12 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1172.99 | USD | 20251021 |
| Suzhou Xuehang Mat | China national standards | MT | 1621.32 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1071.48 | USD | 20251021 |
| Luxi Chem | China national standards | MT | 1282.96 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Hualu | China national standards | MT | 990.52 | USD | 20251020 |
| Jinan Jinhao Chem | China national standards | MT | 1225.82 | USD | 20251020 |
| Jining Zhongyin EC | China national standards | MT | 760.85 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 760.85 | USD | 20251020 |